The man, ____so badly, almost lost his memory and even was driven mad.
A.To have been disturbed
B.Having been disturbed
C.To be disturbed
D.Being disturbed
网友回答
B解析由句子结构分析，此处应为现在分词短语作状语，排除A、C两项，又知the man与disturb之间为被动关系，且disturb动作发生在主句谓语动词之前，故用现在分词的完成被动式having been disturbed.