The scientists were excited to report their discovery, which was a new species of beetle found in the Amazon rainforest. They believe the discovery will help to understand the complex ecosystem of the rainforest. The researchers were able to document the beetle's unique characteristics, such as its distinctive markings and its unusual feeding habits. The scientists hope their findings will help to protect the rainforest's biodiversity, which is increasingly threatened by deforestation and climate change.
","stem_html":"Which of the following changes to the passage would correct an error in the use of commas?
","rationale_html":"The original sentence contains a comma splice. Choice B is the best option as it correctly uses a comma after the introductory phrase "The researchers were able to document the beetle's unique characteristics." The comma helps separate the phrase from the main clause.
","correct_answer":["B"],"has_media":false,"has_mathml":false,"has_table":false,"source_created_at":null,"source_updated_at":null,"options":[{"label":"A","content_html":"They believe, the discovery, will help to understand the complex ecosystem of the rainforest.
","ord":0},{"label":"B","content_html":"The researchers were able to document the beetle's unique characteristics, such as its distinctive markings, and its unusual feeding habits.
","ord":1},{"label":"C","content_html":"The scientists hope their findings will help to protect the rainforest's biodiversity which is increasingly threatened by deforestation and climate change.
","ord":2},{"label":"D","content_html":"The scientists were excited to report their discovery, which was a new species of beetle found in the Amazon rainforest, they believe the discovery will help to understand the complex ecosystem of the rainforest.
","ord":3}],"attribution":{"source_id":"opensat","source_name":"OpenSAT community question bank","rights_holder":"OpenSAT contributors","canonical_url":"https://github.com/Anas099X/OpenSAT","retrieved_from":"https://pinesat.duckdns.org/api/questions","attribution":"Reading and Writing practice questions from the OpenSAT community question bank, whose licence permits free use of the database.","disclaimer":"OpenSAT items are community-written or AI-generated practice material, not official College Board questions; quality varies.","license":"OpenSAT LICENSE.md: the database may be used freely, including commercially, without restriction. Code is separately restricted.","redistributable":true,"item_count":1406}}