Hi, John. Were you talking on the phone at nine last night?<br />No, I just finished my homework. I was taking a shower at that time.<br />Really? I called you, but I couldn't get through.<br />Oh, it must be my sister Linda. She talked to her friend for a long time last night.
(1)
What was John doing at nine last night?
A . Doing his homework.B . Taking a shower.C . Playing computer games.