问题标题：
Thespeechwhichhemade____theprojecthasbotheredmegreatly.A.beingconcernedB.concernedC.beconcernedD.concerning
问题描述：
Thespeechwhichhemade____theprojecthasbotheredmegreatly.
A.beingconcernedB.concernedC.beconcernedD.concerning
毕贵红回答：
Thespeechconcerning……有关……的讲座
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