请问各位关于about的修饰的问题。

akatsuki09

请看此题

According to a panel of health officials, there has been a great deal of confusion in the medical profession about whether obesity is a biological disorder posing serious health risks or a condition more related to appearance than to health.

A. about whether obesity is a biological disorder posing serious health risks or a condition more related to appearance than to

B.with respect to obesity being a biological disorder posing serious health risks or if it is related more to appearance than

C.over whether or not obesity is a biological disorder posing serious health risks or it is a condition more related to appearance than to

D.about obesity and if it is a biological disorder posing serious health risks or a condition related to appearance more than to

E.concerning whether obesity is a biological disorder posing serious health risks or it is a condition related to appearance more than

请问，这个题目的正确答案是A。我是有点糊涂在about不是经常说道的要在后边接名词么？这道题却是接了整整一个名词性从句。我是有点不解，还望高人指点。

sayysong

这里的 whether .... 是做 about 的介宾从句。