— Mike, what did our monitor say just now?

— Every boy and every girl as well as the teachers who _____ to visit the museum _____ asked to be at

   the school gate before 6:30 in the morning. [ ]

A. is ; is

B. are; are

C. is; are

D. are; is

由于两全保险既有死亡保障，又有生存保障，因此，两全保险不仅使受益人得到保障，同时也使（）本身享受其利益。

A.保险人

B.投保人

C.承保人

D.被保险人