If we had not been by the traffic jam, we would have arrived an hour earlier.
A. held down
B. held away
C. held on
D. held up
网友回答
A. held down
B. held away
C. held on
(答案→)D. held up
解析：考查短语辨析。A“抑制”；C“不挂断电话，继续”；D“举起，提出，堵塞”。句意“如果我们没有遇到堵车，我们就能早来一小时了。”故选D。