I'm leaveing home this afternoon. realy? why so __?

问题描述:

I'm leaveing home this afternoon. realy? why so __?
A fastB quickly C soon
选哪个答案,为什么?

C.
soon 不久,很快地 (一般指时间,这里指:离开家这么快)
It will soon be Christmas.
圣诞节很快就要到了.
fast,quickly一般指速度
He runs fastest in his class.