问题
选择题
_______ many times, he finally understood it.
A．Told
B．Telling
C．Having told
D．Having been told
答案
答案：D
考查非谓语动词。根据句意可知先被告诉许多次，故用现在分词的被动Having been told，表示动作先后性。句意：被告诉了许多次，他最终理解了。
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