问题补充:
Sorry, we are late,--our plane was because of the heavy rain.
A. held out
B. held on
C. held up
D. held back
答案:
A. held out
B. held on
(答案→)C. held up
D. held back
解析:考查短语辨析。held out 伸出,held on 继续,held up 阻止,held back 抑制,句意:对不起,我们迟到了。我们飞机由于大雨被阻止了。所以选C。