Wang: I"ve got an appointment. I"m going to meet a friend in London at 3 p. m. It"s already a quarter past ______. David: I"m going to London. I can give you a lift if you like. Wang: Could you really? That would be great.
【正确答案】 A
【答案解析】解析：从已知对话内容及选项看，题意是：时间太紧，去见朋友根本来不及。A选项表示“根本做不到”，符合语意。其他选项不适合这里的语境。