The ments which he made marketing bothered his boss greatly.
A. being concerned
B. concerned
C. to be concerned
D. concerning
网友回答
A. being concerned
B. concerned
C. to be concerned
(答案→)D. concerning
解析：考查介词：concerning:关于,介词=about,分析句子成分可知：the mments:主语，which he made:定语从句，修饰ments, concerning marketing:是定语也是修饰The ments谓语bothered，宾语his boss。句意：他做的关于市场的评论让老板很心烦。选D。