Which statement is reflected by Huck's decision to help Jim in his journey toward freedom?

The question is incomplete and the full version can be found online.  

to show how contradicting social norms can cause inner conflict

Explanation:

The question refers to "The Adventures of Huckleberry Finn," by Mark Twain.

Huck's decision to help Jim escape slavery means that he chooses to follow his own moral compass instead of the societal norms of the time, which causes him an inner conflict. His words when making this decision reflect that inner conflict. He says “All right then, I'll go to hell!” meaning that he´s aware of how society would see his actions as a sin, and he decides to do it despite that because he understands that it´s the right thing to do.

The other statements are incorrect because Huck´s decision goes against the rule of obeying social norms, and it shows that those norms are not flexible at all.