求助：一道高中英语选择题 尽量详细 谢谢
问题描述：
求助：一道高中英语选择题 尽量详细 谢谢
The tobacco,which is used to make cigarettes,was first grown in_is now part of the United States.Awhat BthatCallDwhich
答
选A
which is used to make cigarettes是对tobacco的修饰,先省去不看,句子变成the tobacco was first grown in _is now …….不难发现,此句为一个宾语从句,从句中缺少主语,所以填what.