human facial expressions differ from those of animals in the degree to whichhuman facial expressions differ from those of animals in the degree ______they can be controlled on purposeAwith whichBto whichCof whichDfor which为什么选B,另外这句话什么意思?
问题描述：
human facial expressions differ from those of animals in the degree to which
human facial expressions differ from those of animals in the degree ______they can be controlled on purpose
Awith which
Bto which
Cof which
Dfor which
为什么选B,另外这句话什么意思?
答
to the degree固定词组,到什么程度
人类的面部表情和动物的表情在他们有意控制的程度方面不同