这道英语题为什么答案是C而不是D

Question

The liquid gives ----a bad smell

A away B in C off D out

Answer 1

give off
发出; 放出（气味）; 散发出; 放射出
When nitric acid is poured on copper, a brown vapor gives off.
将硝酸倒在铜上, 会散发出一种棕色的蒸气。
Rotten eggs give off a bad smell.
臭蛋散发出难闻的气味。

give out
1.分发; 散发
They stood there, giving out the leaflets to the passers-by.
他们站在那里, 向过路人散发传单。
2.公布; 宣布
The news of the event was given out over the radio.
关于这个事件的消息通过无线电发表了。
3.耗尽; 用完
He plans to stay there until his money gives out.
他计划在那里待到钱花完为止。
4.停止起作用
We had hardly started from home when the engine gave out.
我们刚刚离开家, 发动机就失灵了。

所以选C

Answer 2

give off是正确的英语，是外国人“散发”的意思，
give out如果单个词来翻译，可能会翻译出“释放、散发”等意思，主要要理解外国人的语言，外国人学中文也是这样，取字断意