atulmangal wrote:Birds known as honeyguides exhibit a unique pattern of behavior: the bird leads another animal, such as a honey-badger or human, to a bees' nest with their chattering when they fly ahead; after the larger animal takes honey, the bird eats the wasp 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

The sentence intends to say that Bird leads other animal to bees' nest for its food.

A and E are out. Pronoun issue (bird is singular and "they" is plural)
B and D create a awkward sentence structure with "and". "with chattering" / "by chattering" and "its flying" are not parallel structure, and sentence does not require // activity here.

IMO C

IMO C.

the bird is singular so use of it is properly done in option C.

Yes.. the bird leads and flies ahead

C it shall be

yup it should be C....... I agree with singh 181's explanation.............

The OA is C only

Birds known as honeyguides exhibit a unique pattern of behavior: the bird leads another animal, such as a honey-badger or human, to a bees' nest with their chattering when they fly ahead; after the larger animal takes honey, the bird eats the wasp 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

A. Bird is singular so their i wrong
B. its flying is awkward
C. Correct
D. its flying is awkward
E. they refers to plural but here we are referring to a singualar bird