Question

—Beg your pardon, but I didn’t quite catch what you said.

—Oh, I         to myself.

1. A.
   have talked
2. B.
   am talking
3. C.
   had talked
4. D.
   was talking

Answer 1

D
本题考查动词时态。Oh, I was talking to myself.意为“噢， 我（刚才）只是在自言自语”。 所以这个应该选D。