Do you open a window -------turning on air conditioning?

问题描述:

Do you open a window -------turning on air conditioning?
a.rather than
b.instead of
c.as well as
我感觉a和b都对啊,答案给的是b,

b 因为后面的turning是ing形式,而rather than 加的是原型,instead of才是加ing形式的.