Question

---We didn’t find Smith attending the lecture．

---No one ________ him about ________ a lecture the following day．

1. A.
   told; there to be
2. B.
   had told; there to be
3. C.
   told; there was
4. D.
   had told; there being

Answer 1

D
从第一句话可知过去“我们不知道……”，而答语“没有人告诉……”是发生在第一句话之前的动作，所以应该用过去完成时态，这样排除了A、C项。又知about是介词，后接名词或动名词，排除B项，故选择D项，其中的there是引导词。