单选题 Man: How long does the journey take if I go by bus?
Woman: ______. I think the Airport Express is your best bet.
Man: Many thanks.
【正确答案】 A
【答案解析】[解析] 甲方问：“坐公共汽车旅程要多久?”乙方答：“这要看交通状况，最好的选择是机场快速客车。”B项中“yet”一词错误；C项的“Let me see”与后面的“I think”为重复表达。