Question

______ many times，he finally understood it． A．Told B．Telling C．Having told D．Having

______ many times，he finally understood it． A．Told B．Telling C．Having told D．Having been told

Answer 1

D

本题考查非谓语动词。句中He与tell构成被动关系，本题强调已经被多次告知，应该使用完成时。所以选择D。句意：被告诉了多次，他最终理解了。