问题
单项选择题
Speaker A: I'm going to the park with some friends for a barbecue on Sunday. Would you like to join usSpeaker B: ______
A．Why not on Saturday You see, I have an important appointment on Sunday.
B．Thanks, but unfortunately I have to take my sister to the airport on Sunday.
C．That's a wonderful idea. Barbecue is one of my favorites.
D．What preparation do you expect me to do for the barbecue
答案
参考答案：B
解析：A方邀请B方周日一起去公园烧烤，B项先表示感谢，然后解释周日另有安排，婉转地谢绝，符合这一情景下的交际惯例，是正确答案。