What is the counterclaim in the passage?

My opponents say I don't have a lot of experience. However, I know how to lead. I am captain of the soccer team. I am trust worthy. Most of you are my friends. These are the reasons you should vote for me to be your class president.

A. However, I know how to lead.
B. These are the reasons you should vote for me to be your class president.
C. Most of you are my friends.
D. My opponents say I don’t have a lot of experience.