the old man must have ()mad

问题描述:

the old man must have ()mad
A gone D driven
两个都有发疯的意思
为什么选A 不选D

用driven,要写成
The old man must have been driven mad.
gone是old man主动变疯,driven是被逼疯的意思,所以要用被动语态才行.
drive用做主动的话要写成
Someone must have driven the old man mad.