There is no doubt, in my opinion,_______ matters is not the speed, but the quali

题型：不详难度：来源：

There is no doubt, in my opinion,_______ matters is not the speed, but the quality of the product.

A．what what

B．that that

C．that if

D．that what

答案

D　

解析

that引导一个同位语从句，在这个同位语从句中又有一个主语从句：what matters。句意：依我看，毫无疑问，重要的不是速度，而是产品的质量。