One belief that Doctor wanted to make clear is wrong is that influenza vaccine can cause the flu.

题目

One belief that Doctor wanted to make clear is wrong is that influenza vaccine can cause the flu.
请帮忙分析语法One belief that Doctor wanted to make clear is wrong
是主语?后面的is wrong怎么回事 什么成分

答案

One belief (that doctor wanted to make clear (that influenza vaccine can cause the flu)) is wrong.原句把is wrong 提前了,以免和主语相隔太远.