—_____ that he picked up his uncle at th
题型：选择题
问题：
—_____ that he picked up his uncle at the airport?
—It was at 6:00 in the afternoon _____ he got off work.
A．Was it when; that
B．When was it; that
C．Was it when; when
D．When was it; when
—_____ that he picked up his uncle at the airport?
—It was at 6:00 in the afternoon _____ he got off work.
A．Was it when; that
B．When was it; that
C．Was it when; when
D．When was it; when