I’d like a cup of water,______my sister would like a cup of orange.A. when B. as C. while D. since选什么为什么

问题描述:

I’d like a cup of water,______my sister would like a cup of orange.
A. when B. as C. while D. since
选什么为什么

C while 而
句意是:我想要一杯水,而我姐姐想要一杯橙汁.