A. is contain
B. are contained
C. contain
D. contains
“is contain” and “are contained” will make a grammatically incorrect sentence. “contain” is used with singular nouns. Hence “contains” is the right choice.
A. is contain
B. are contained
C. contain
D. contains
“is contain” and “are contained” will make a grammatically incorrect sentence. “contain” is used with singular nouns. Hence “contains” is the right choice.