问题补充:
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
答案:
A. To have been disturbed
(答案→)B. Having been disturbed
C. To be disturbed
D. Being disturbed
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.