The computer systemsuddenly while he was searching for information on the Internet.A. brok

问题补充：

The computer systemsuddenly while he was searching for information on the Internet.

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：短语辨析。A崩溃，抛锚；垮掉；B爆发；C分解，关系破裂；D闯入。句意：当我们在网上查询信息的死后，计算机系统突然崩溃。根据句意说明A正确。