He asked whether he (have) to do the whole experiment again if he failed in a single test.

A．She majors in English.
B．She majors in pre-school education.
C．She majors in business administration.
D．She majors in law.

A．He dislikes it because of too much violence.
B．He likes it very much.
C．He thinks highly of it.
D．He thinks it is boring.