The computer system suddenly while he was playing computer games.A. broke downB. broke ou

问题补充：

The computer system suddenly while he was playing computer games.

A. broke down

B. broke out

C. broke up

D. broke in

答案：

(答案→)A. broke down

B. broke out

C. broke up

D. broke in

解析：考查词组辨析：A. broke down崩溃，B. broke out爆发，C. broke up分手，解体，D. broke in闯入，句意是：当我在玩游戏时，电脑突然瘫痪了。选A。