It is five years since my dear aunt here.A. leftB. has leftC. is leftD. had left

问题补充：

It is five years since my dear aunt here.

A. left

B. has left

C. is left

D. had left

答案：

(答案→)A. left

B. has left

C. is left

D. had left

解析：since，for作为连词，引导时间状语（从句）如果谓语动词是延续性的一般过去时，其表达的含义是从这个动作结束以来，恰好和动词的词义相反，具有否定的含义；如果谓语动词是非延续性的一般过去时，其表达的含义是从这个动作开始以来，恰好和动词的词义一致，具有肯定的含义