Question

The result of the study indicated that it was the type of fat ______ made the difference．  

A．that

B．what

C．who

D．as

Answer 1

A

此题考查强调句型，其结构为：it is/was+ 被强调的部分+ that,句意：研究结果表明就是脂肪的类型使得有所不同。所以选A。