{"id":"cb_question_bank:e3c2ed31-bd99-438b-af1f-dab0a42e9462","source_id":"cb_question_bank","source_item_id":"e3c2ed31-bd99-438b-af1f-dab0a42e9462","external_id":"b3e7ba8c-d31f-496c-8cd1-b3c29409a807","ibn":null,"question_id":"59e41600","program":"SAT","module":"english","domain_code":"SEC","domain":"Standard English Conventions","skill_code":"FSS","skill":"Form, Structure, and Sense","difficulty":"E","score_band":1,"answer_type":"mcq","answer_source":"key","layout_warning":null,"form_id":null,"module_number":null,"position":null,"stem":"Which choice completes the text so that it conforms to the conventions of Standard English?","stimulus":"Why are Rome’s famous concrete structures, such as the Colosseum, still standing after 2,000-plus years, when modern concrete may not even last for fifty? Scientists ______ blank that the secret to Roman concrete’s durability was its unique blend of ingredients, which included volcanic ash and seawater.","stimulus_html":"<p>Why are Rome’s famous concrete structures, such as the Colosseum, still standing after 2,000-plus years, when modern concrete may not even last for fifty? Scientists <span>______</span><span class=\"sr-only\">blank</span> that the secret to Roman concrete’s durability was its unique blend of ingredients, which included volcanic ash and seawater.</p>","stem_html":"<p>Which choice completes the text so that it conforms to the conventions of Standard English?</p>","rationale_html":"<p>Choice A is the best answer. The convention being tested is the use of verb forms within a sentence. The main clause of a sentence requires a finite (tensed) verb, and this choice supplies the finite present tense verb “explain” to indicate what the scientists do. </p><p>Choice B is incorrect because it results in an ungrammatical sentence. The nonfinite participle “having explained” doesn’t supply the main clause with a finite verb.&nbsp;Choice C is incorrect because it results in an ungrammatical sentence. The nonfinite participle “explaining” doesn’t supply the main clause with a finite verb.&nbsp;Choice D is incorrect because it results in an ungrammatical sentence. The nonfinite to-infinitive “to explain” doesn’t supply the main clause with a finite verb. </p>","correct_answer":["A"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":"2023-08-02T20:25:59.350000+00:00","source_updated_at":"2023-08-02T20:25:59.350000+00:00","options":[{"label":"A","content_html":"<p>explain</p>","ord":0},{"label":"B","content_html":"<p>having explained</p>","ord":1},{"label":"C","content_html":"<p>explaining</p>","ord":2},{"label":"D","content_html":"<p>to explain</p>","ord":3}],"attribution":{"source_id":"cb_question_bank","source_name":"College Board digital SAT question bank (community dump)","rights_holder":"College Board","canonical_url":"https://satsuitequestionbank.collegeboard.org/","retrieved_from":"https://raw.githubusercontent.com/mdn522/sat-question-bank/main/data/cb-digital-questions.json","attribution":"SAT practice questions © College Board, from the official SAT Suite Question Bank. Retrieved via the community dump at github.com/mdn522/sat-question-bank.","disclaimer":"SAT® and PSAT/NMSQT® are trademarks registered by the College Board, which is not affiliated with, does not sponsor, and does not endorse this project.","license":"College Board copyright; source repository carries no licence. Local use only.","redistributable":false,"item_count":2017}}