The ments the expert made stock-market bothered him greatly, him not fall asleep all night.
A. concerning, making
B. be concerned, which made
C. concerned, making
D. to be concerning, made
网友回答
(答案→)A. concerning, making
B. be concerned, which made
C. concerned, making
D. to be concerning, made
解析：concerning关于，这里为介词；making和the meeting形成主动关系。