英语单选（希望有详细解答）
We should respect food and think about the people who don’t have we have here and treat food nicely.
A.that B.which C.what D.whether
为什么不选D,是否
The British Isles _____ of a group of islands that lies off the west coast of Europe
A.are consisted B.is consisted C.consists D.consist
为什么答案是D,原型而不是B呢