Based on indirect characterization, the most logical inference is option B. Millicent is beginning to question her decision to join the sorority.
Indirect characterization refers to the process by which the writer shows the character's personality through speech, actions and appearance.
A useful tool for creating subtle yet revealing indirect characterization is the use of great dialogue since it tells readers a lot about your characters.
This tells you that there could be some unresolved issues that Hunt knows about and Ally does not want to acknowledge or it could mean that Hunt sees Ally's grandpa as a role model. If this answer does not help I would need to know more information.
