My laptop computer I can’t go on with my work broke down the other day.A. for whichB. w

问题补充：

My laptop computer, I can’t go on with my work, broke down the other day.

A. for which

B. which

C. without it

D. without which

答案：

A. for which

B. which

C. without it

(答案→)D. without which

解析：考察定语从句中的介词。本题定语从句的先行词是my laptop computer，在后面的定语从句中作为介词without的宾语。句意：我的笔记本电脑前天坏了，要是没有它，我就无法工作了。根据句意可知本题表示的是假设的关系，without要是没有。根据上下文句子的含义，D正确。