SAT English Practice Question

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?

1. A.a complex and beautiful melody that is meant to be appreciated by humans.
2. B.a simple and repetitive melody that is effective in attracting attention and reassuring listeners.
3. C.a reflection of the bird’s natural environment and its relationship with other birds.
4. D.a complex and unpredictable melody that is difficult to interpret.