问题补充：
I this English book since I came to Zhongshan High School.
A. bought
B. have had
C. had
D. have bought
答案：
A. bought
(答案→)B. have had
C. had
D. have bought
解析：本句为时间状语从句，since后接的是从句，而前一句为主句，since后接的句子为一般过去时，主句应该为现在完成时，表示过去的动作一直延续到现在，或将延续下去，所以对于动词的要求，应该为延续性动词。在四个选项中，bought和had为一般过去时态，不符合时态要求，bought为短暂动词，故选B
