The couple are used to getting up before dawn,_____it's still dark outside.
问题描述：
The couple are used to getting up before dawn,_____it's still dark outside.
A as B when
B 为什么啊 A为什么不可以选啊 as 不是由当·····的意思吗?
答
同上,应该只能是as is still dark outside吧