many times, he finally understood it.A. Told B. TellingC. Having toldD. Been told

网友回答

(答案→)A. Told
B. Telling
C. Having told
D. Been told
解析：考查分词做状语的用法。分词做状语时，分词的逻辑主语必须是句子的主语。过去分词的逻辑主语是动作的承受者。Tell与he构成被动关系，所以使用过去分词表示被动，he是后面主句的主语。句意：被告知多次，他终于明白了。