He looks very sad because someone his home and took away his computer last night. A. brok

问题补充：

He looks very sad because someone his home and took away his computer last night.

A. broke out

B. broke up

C. broke off

D. broke into

答案：

A. broke out

B. broke up

C. broke off

(答案→)D. broke into

解析：break out爆发，突发；break up 打碎，结束；break off这段，暂停；break into闯入，破门而入。句意：他看起来非常伤心，因为昨晚有人闯进了他的家里面，并且拿走了他的电脑。结合语境可知选D。