What Are the Two Different Senses in Which Universalizing the Maxim

Multiple Choice

What are the two different senses in which universalizing the maxim of your action could lead to a contradiction in your will?

A) Universalizing the maxim might undermine the maxim itself, or it might lead to a situation that is not strictly self-defeating but that you don't like.
B) Universalizing the maxim might lead to a situation that is not strictly self-defeating but that you don't like, or it might conflict with some other maxim for the sake of which you adopted the maxim in the first place.
C) Universalizing the maxim might be inconsistent with your previous actions, or it might undermine the maxim itself.
D) Universalizing the maxim might undermine the maxim itself, or it might conflict with some other maxim for the sake of which you adopted the maxim in the first place.