Hey there!
Here is your answer:
The proper answer to this question is option B "to accuse of misconduct in office".
Reason:
Impeachment is used when a person in office commits a crime and has to be punished by getting kicked out of office, and put in jail if crime to intense.
Therefore the answer is option B.
If you need anymore help free to ask me!
Hope this helps!
~Nonportrit