Question

---- Have you finished your report?
--- Yes．I _____ it within 10 minutes．

1. A.
   finish
2. B.
   have finished
3. C.
   finished
4. D.
   will finish

Answer 1

C
根据回答“我在十分钟内就完成了”。“在十分钟内完成”是一个过去的事，所以答案C。