—Have you found anything wrong with your computer?—Yes and I was about to give it up when

问题补充：

—Have you found anything wrong with your computer?

—Yes,and I was about to give it up when an idea to me that it may be struck by some kind of virus.

A. occurred

B. happened

C. took place

D. turned

答案：

(答案→)A. occurred

B. happened

C. took place

D. turned

解析：occurred to sb.“某人突然想起了……”。