A、To buy the red shirt. B、To buy the green shirt. C、To buy both the red and the green shirts. D、To buy a shirt other than red an

W:(l)We need to leave for the concert no later than 3 o’clock. What time is your meeting over?
M:(l)I’m not sure, it’s up to Professor Campbell. But if I’m not back by 2: 45, go ahead without me.
Q: What can be inferred from the conversation?

M: Which of these shirts do you think I should buy? The red or the green one?
W: Well,(6)didn’t you already buy a red one last week? A little variety would be good.
Q: What does the woman suggest the man do?