They have developed techniques which are __________ to those used in most factories.
问题描述：
They have developed techniques which are __________ to those used in most factories.
A.more talented B.better C.greater D.superior
诚恳请教选哪个
答
D
其他比较级都是用than
但是superior这个词很特殊,用的是to
译为,比.高级