GMAT Verbal Practice, Sentence Correction
Female sparrows and immatures are quite nondescript compared to the adult male sparrow's distinctive and conspicuous markings: a black bib, a gray cap, and white lines trailing down from the mouth.
- the adult male sparrow's
- those of adult males, their
- the adult male, which has
- adult male sparrows'
- adult males, whose
The original sentence is structured in a way that draws an illogical comparison between sparrows and markings. Choice (C) is the only one that fixes the problem in its entirety — specifically, by comparing female and immature sparrows with adult male sparrows. The correct response is (C).