Which is the entire verb phrase in this sentence? {I'll medal :D}}

Sarah must have been diligently working on her project for months.

A.
have been diligently working

B.
working

C.
must have been working

D.
must have been

Question

Which is the entire verb phrase in this sentence? {I'll medal :D}} 

Sarah must have been diligently working on her project for months.
 
 A.
have been diligently working
 
 B.
working
 
 C.
must have been working
 
 D.
must have been

vera_ewing · Answer

What do you think it is?

anonymous · Answer

B?

vera_ewing · Answer

A.
have been diligently working

For a verb phrase to be complete, it has to include every verb in the senence. "been" and "working" are both verbs.

anonymous · Answer

ohh oh yay thank you, I gave you a medal thanks :D