문제 내용: 두 사람의 대화 중 가장 어색한 것은?
선택지 1: A: What time are we having lunch?
  B: It'll be ready before noon.
선택지 2: A: I called you several times. Why didn't you answer?
  B: Oh, I think my cell phone was turned off.
선택지 3: A: Are you going to take a vacation this winter?
  B: I might. I haven't decided yet.
선택지 4: A: Hello. Sorry I missed your call.
  B: Would you like to leave a message?