Identify the correct answer for the question given below:

I don’t know ___________________ run for office.
(A) that I concur in your decision to try to
(B) that I concur with your decision to try to

Confused with it should be ‘in’ or ‘with’?
Well, the answer is simple. In this case, it is option A.

Concur in is followed by the decision or the agreement (the focus is on the decision).
Concur with is followed by the person sharing a decision or agreement (the focus is on the person).

Example:
The city residents concurred in the decision to go ahead with the project.
The city residents concurred with the Mayor on the decision to go ahead with the project.