many times; but he still couldn't understand it. [ ] A.Having been told B.Told C
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![many times; but he still couldn't understand it. [ ] A.Having been told B.Told C](/pic/43_961050.jpg)
________ many times; but he still couldn't understand it.
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A.Having been told B.Told C.Though he had been told D.He had been told
试题答案
答案:D