问题描述：
They have developed techniques which are (more talented?) to those used in most factories.
They have developed techniques which are () to those used in most factories.
选项:
a、a.more talented
b、 b.better
c、 c.greater
d、 d.superior
搞不清楚答案为什么是这个呀，能不能提醒一下？
They have developed techniques which are () to those used in most factories.
选项:
a、a.more talented
b、 b.better
c、 c.greater
d、 d.superior
搞不清楚答案为什么是这个呀，能不能提醒一下？
问题解答：
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