——Is there any possibility you could pick me up at the airport?
——No problem.
A. when
B. that
C. whether
D. what
网友回答
A. when
(答案→)B. that
C. whether
D. what
解析:考查从句,从句you could pick me up at the airport不缺少成份,when表示时间;that只起引导作用,没有意义;whether引导宾语从句,是否;what表示什么人或物或事情