Which statement is correct?

A) All of the class is willing to take part in the prank.
B) All of the classes is willing to take part in the prank.
C) All of the class are willing to take part in the prank.
D) All of the classes has been willing to take part in the prank.
Group of answer choices

D

C

A

B

C) All of the class are willing to take part in the prank.

The correct statement is:

C) All of the class are willing to take part in the prank.