Question

---How long have you studied English?

---______.

1. A.
   For 5 years
2. B.
   5 years ago
3. C.
   Since 5 years
4. D.
   5 years before

Answer 1

A
考查和现在完成时连用的时间状语。5 years ago 用于一般过去时；C、D答案不合题意。故选A。