prep07 126关于when~~求助各位NN！

冷月无声5555

126. Because she knew many of the leaders of colonial America and the American Revolution personally, Mercy Otis Warren was continually at or near the center of political events from 1765 to 1789, a vantage point combining with her talent for writing to make her one of the most valuable
historians of the era.        

(A) a vantage point combining with her talent for writing to make
(B) a vantage point, when combined with her talent for writing, that made
(C) a vantage point that combined with her talent for writing, and it made
(D) and this vantage point, which combined with her talent for writing to make
(E) and this vantage point, combined with her talent for writing, made

A. to make表将来含义，而句子描述的是过去已经确定的事实，时态含义不符；combining应该
为combined
B. When从句在此句中使用错误，when引起的从句可以作为定语从句或者状语从句。作定语从句时，要求先行词是表示时间的词或词组；作状语从句要求有动作作为合理的修饰对象。when…应该置于that之后。
C. and it made在语法上与主句并列，不符合逻辑。
D. and后部分句子结构不完整，缺少谓语。
E. 正确
请问B选项中when引导的从句为什么不能被看作是插入语呢？不理解B为什么错误~~求NN解答！谢谢啦！

wyw1018

when引导时间状语从句，应该修饰一个完整的主语，而B仅仅是一个名词。