many times, but he still couldn’t understand it.A、Having toldB、Though he

游客2024-07-03  10

问题        many times, but he still couldn’t understand it.

选项 A、Having told
B、Though he had been told
C、Having been told
D、He had been told

答案 D

解析 在本题中,逗号后面有个but,其后是个完整的句子。据此可以判断这是个由but连接的两个并列句,but前也应该是个完整的句子,所以答案选D
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