The author describes a particular type of bird, the red-winged blackbird, as having a “peculiarly melodious song” that is “characteristically simple and repetitive.” The author describes the song’s simplicity as “a way of attracting attention” and its repetitiveness as “a way of reassuring the listener.” What is the main idea of this passage?
","stem_html":"The author suggests that the red-winged blackbird’s song is
","rationale_html":"The author emphasizes the simple, repetitive nature of the red-winged blackbird’s song and how it serves a specific purpose: to attract attention and reassure listeners.
","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":"a complex and beautiful melody that is meant to be appreciated by humans.
","ord":0},{"label":"B","content_html":"a simple and repetitive melody that is effective in attracting attention and reassuring listeners.
","ord":1},{"label":"C","content_html":"a reflection of the bird’s natural environment and its relationship with other birds.
","ord":2},{"label":"D","content_html":"a complex and unpredictable melody that is difficult to interpret.
","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}}