单选题______  but he couldn’t&n

问题补充：

单选题______,buthecouldn’tunderstandthelogicalconnectionofthetwosubjects.A.Having told many timesB.Having been told many timesC.He had been told many timesD.Many times as he was told

答案：

C解析本题考查并列句与分词做状语直接的区别，因为后面有连词but 所以此句为并列句，前面应为完整的一句话，由于此句用过去完成时，所以正确