There is no doubt ,in my opinion ,___matters is not the speed,but the quality of the product.A whatwhat B thatthat C thatif D that what
问题描述：
There is no doubt ,in my opinion ,___matters is not the speed,but the quality of the product.
A whatwhat B thatthat C thatif D that what
答
There is no doubt ,in my opinion ,___matters is not the speed,but the quality of the product.
选B
There is no doubt that 是固定句型,in my opinion是插入语
第二个that是那的意思
答
d