a new laptop costs about _of a second-hand oneA.three times more than the price B.three times the price
问题描述：
a new laptop costs about _of a second-hand one
A.three times more than the price B.three times the price
答
固定搭配,A比较不当.
考虑一下句子主干,应把the price of删去,就可选A了.