What did your mother do ______ the market last Sunday?

 —What did your mother say on the phone?

—She asked ________.

A. when will I come back

B. when I would come back

C. when did you come back

What did your mother do ______ the market last Sunday?

1. A.
   into
2. B.
   at
3. C.
   to
4. D.
   for