Question

---What did you look for me for, Mary?

--- The boss wondered where you ______ and how long you ______ there.

1. A.
   had been, had been
2. B.
   had gone, had gone
3. C.
   had been, had gone
4. D.
   had gone, had been

Answer 1

A
本题考查是宾语从句，主句为一般过去时，从句用过去时的额某种形式，故选A