Those successful deaf dancers thinks that dancing is an activity ______ sight matters more than hear

题目

Those successful deaf dancers thinks that dancing is an activity ______ sight matters more than hearing.
a.when
b.whose
c.which
d.where
Human facial expressions differ from those of animals in the degree ______ they can be controlled on purpose.
a.with which
b.to which
c.of which
d.for which
请讲明原因....
in the degree这一块啥意思？

答案

1,d.where,where=during which即activity在从句中作状语
2,b.to which,to the degree 是固定用法,字典可查