It is far better for one to drink milk，________one gets nutrients, than to drink coffee，________contains no nutrients at all.

A．what; what

B．where; as

C．from which; which

D．in which; what

甲乙两人从赤道出发，甲向北行，乙向东行，如果两人前进方向保持不变，那么（）

A.两人都能回到出发地点

B.两人都不能回到出发地点

C.只有甲能回到出发地点

D.只有乙能回到出发地点