Because of his reckless actions and disdain for authority, John Wilmot Rochester lost the favor of Charles II,insisting that Lord Rochester should behave more in keeping with the protocol of the time.
Insist is a bossy verb that is used to indicate Command Subjunctive.
The format of which is “bossy verb + that + subject + Command Subjunctive”
A) insisting that Lord Rochester should
The -ing modifier modifies the entire previous sentence showing a cause and effect relationship or explains the previous part of the sentence in greater detail.
Here, it means John Wilmot Rochester insist that Lord Rochester should behave.- Doesn’t make sense as one can’t insist himself.
So Incorrect.
B) insisting that Lord Rochester
Incorrect due to the modifier issue.
C) and he insisted Lord Rochester to
What is he referring to ? - John Wilmot Rochester?
That again doesn’t make sense as JWR insisting Rochester should behave.
Incorrect.
D) who insisted that Lord Rochester
Best of All. Follows Subjunctive rules.
E) who insisted Lord Rochester to
Incorrect as it doesn’t follow subjunctive rule.