Is ABC Company far away
[A] Yes, you must take a bus to get there.
[B] No, you can just walk there.
[C] No, but you’d better not walk.

与啤酒发酵醪进行热交换时，圆筒锥底啤酒发酵罐的夹套内不宜采用的冷媒是（）。

A.乙二醇

B.乙醇

C.冷冻水

D.氨