The photo brought me back to the memory of the time in Qingdao I spent my summer holiday

问题补充：

The photo brought me back to the memory of the time in Qingdao, I spent my summer holiday by the seaside with my friends.

A. that

B. when

C. which

D. what

答案：

A. that

(答案→)B. when

C. which

D. what

解析：考察定语从句，“这张照片把我带回到在青岛的那段时间，那时我和我的朋友在海边度假。”when代替 the time在定语从句中作时间状语，答案B。