单选题
2分
There is no doubt __________, in my opinion, __________matters is not the speed, but the quality of ...
There is no doubt __________, in my opinion, __________matters is not the speed, but the quality of the product.
参考答案: D
参考解析: 考查同位语从句及主语从句。句意为“在我看来,毫无疑问,重要的不是速度,而是产品的质量”。inmyopinion作插入语。doubt后面是同位语从句,用that连接,说明doubt的内容。在同位语从句中is前面是主语从句,缺少主语,用what连接。故选D。