Angkor Wat is a famous temple which _____the eleventh century.

A dates back to                                          B. dated back to

C. dates in                                                D. dated in

可引起视神经炎的抗结核药是（）

A.异烟肼

B.PAS

C.乙胺丁醇

D.利福平

E.卡那霉素