The observations which he reported marketing bothered his boss a lot. A. being concernedB

发布时间：2020-08-16 19:43:19

The observations which he reported      marketing bothered his boss a lot.
A. being concerned
B. concerned
C. be concerned
D. concerning

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A. being concerned
B. concerned
C. be concerned
(答案→)D. concerning
解析：concerning为介词，关于。句意：他报道的关于市场的观察使他的老板很烦。
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