Which verb agrees in number with its subject?

Either my puppies or my kitten __________ the side of the couch.

A.
were scratching

B.
have been scratching

C.
has been scratching

D.
are scratching

Question

Which verb agrees in number with its subject? 

Either my puppies or my kitten __________ the side of the couch.
 
 A.
were scratching
 
 B.
have been scratching
 
 C.
has been scratching
 
 D.
are scratching

ltrout · Answer

I'm pretty sure this is @doopy, so I'm going to say the same thing. Read the question aloud and fit in each of the answers until you find the one that makes sense