Our food and service are better than ____ used to be.

问题描述:

Our food and service are better than ____ used to be.
a.it b.they c.we d.their

是B,我错了,主句中用的是are,应该是they.
2楼的,你看清楚了,than后面接的是从句,they在从句里做主语,用什么宾格啊?