GMAT Sentence Correction
Birds known as honeyguides exhibit a unique pattern of behavior: the bird leads another animal, such as a honey-badger or a human, to a bees' nest with their chattering when they fly ahead; after the larger animal takes honey, the bird eats the wax and bee larvae.
- A with their chattering when they fly
- B with chattering and its flying
- C by chattering as it flies
- D by chattering and its flying
- E by chattering as they are flying
Correct Answer: C