（1）     GWD-21-Q12 

Birds known as
honeyguides exhibit a unique pattern of behavior: the bird[w1]  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 was and bee
larvae.

A.     
with their [w2] chattering when they fly

B.    
with
chattering and its
flying[w3] 

C.    
by
chattering as it flies

D.    
by
chattering and its flying C

E.    
by
chattering as they
[w4] are flying

我觉得可以

我见过的题里都可以直接排除：）