问题描述：
( )many times,buthe stillremember.Ahaving been told Bhe was told Chaving told Dbeing told
( ) many times ,but he still could't remember.
A having been told B being told
C having told Dhe was told
( ) many times ,but he still could't remember.
A having been told B being told
C having told Dhe was told
问题解答：
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