Which sentence uses a verb that agrees with its pronoun subject?

A

Does everyone in the cast know how to play an instrument?

B

Not one of those assignments look easy enough to finish in one night.

C

Both of the students was prepared to speak.

D

Several among the large crowd has first aid training.

Verified Answer :

alvion

CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC.Both of the students was prepared to speak. 

this means that both the subject and the verb needs to be singular or plural.
b is the correct answer.