Exciting as its special effects are ______,there is too much violence in the film.[ ]

A. to watch

B. to be watched  

C. watching    

D. being watched

阵发性房颤患者的治疗可以酌情选择下述方法（）

A.美托洛尔静注

B.普罗帕酮静注

C.胺碘酮静注

D.电复律

E.以上都可以选择