His father for ten years.A. has diedB. has been deadC. diedD. was dead

问题补充：

His father for ten years.

A. has died

B. has been dead

C. died

D. was dead

答案：

A. has died

(答案→)B. has been dead

C. died

D. was dead

解析：ten years是时间段，谓语动词必须具有延续性，故选B。