Latasha Joined a Campus Group Called "Young Republicans

Latasha joined a campus group called "Young Republicans." Which of these outcomes is most consistent with the persuasive arguments explanation for group polarization?

A) In the attempt to fit in, Latasha adjusts her attitudes to be even more conservative.
B) Latasha self-categorizes as a Republican, and her political beliefs become more extreme as a result.
C) After exposure to ideas she has not thought of before, Latasha comes to possess even more conservative beliefs.
D) In an attempt to convince others she is a "good" Republican, Latasha persuades herself to be more conservative.