—When did you buy this computer? It looks so new.

—I         it for only a couple of days. My sister bought it for me as a birthday present.

—When did you buy this computer? It looks so new.

—I         it for only a couple of days. My sister bought it for me as a birthday present.

1. A.
   bought
2. B.
   have bought
3. C.
   have had
4. D.
   had

—When did you buy this computer? It looks so new.
—I         it for only a couple of days. My sister bought it for me as a birthday present.