Sorry we are late --our plane was because of the heavy rain.A. held outB. held onC. held

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。