His grandfather for seven years. A. diedB. had diedC. has diedD. has been dead

问题补充：

His grandfather for seven years.

A. died

B. had died

C. has died

D. has been dead

答案：

A. died

B. had died

C. has died

(答案→)D. has been dead

解析：die为不延续性动词不与段时间连用，dead形容词表状态可以和段时间连用。他的爷爷死了七年了。