many times, he finally understood it. A．Told B．Telling C．Having told D．Having be
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______ many times, he finally understoodit.
| A．Told | B．Telling | C．Having told | D．Having been told |
试题答案
【答案】
Ｄ
【解析】考察分词用法。He与tell之间构成被动关系，且强调已经完成，故D正确。因为having been done表示已经完成和被动。