It over ten years since the dog . A. is; diedB. is; has been deadC. has been; has diedD.

问题补充：

It over ten years since the dog .

A. is; died

B. is; has been dead

C. has been; has died

D. was; has died

答案：

(答案→)A. is; died

B. is; has been dead

C. has been; has died

D. was; has died

解析：句意：那条狗死了十年了。根据句意可知前一空用一般现在时，后一空用一般过去时。Die死亡，是一个动词；dead死的，是一个形容词。所以选A。