Question

The teacher said that Columbus _______America in 1492

1. A.
   discovered
2. B.
   found
3. C.
   had discovered
4. D.
   had found

Answer 1

A
考查：discover客观上存在，后来才发现的，find，以前不存在，表示后来找到强调结果，根据时间in 1492故用一般过去时，句意：老师说哥伦布在1492年发现了美洲。故选A。