分类：教育/科学-外语学习
问题：一道英语选择题,请英语高手帮忙,谢谢!Inthewaitingr 
In the waing room there are tables, ____you can sit to read newspapers. A. on which B. in which C. which  D. where 请帮忙选出正确答案,并详细分析,谢谢!
回答：选d。

这个一句非限制性定语从句

where后面的句子是对前一句的补充