I’m certain that Joe attende...

Câu hỏi:  I’m certain that Joe attended the ceremony as he can vividly recount the event.

A. Joe needn’t have attended the ceremony as he can vividly recount the event.

B. Joe mightn’t have attended the ceremony as he can vividly recount the event.

C. Joe must have attended the ceremony as he can vividly recount the event.

D. Joe could have attended the ceremony as he can vividly recount the event.