Answer: Mattie cries but is happy to see her. Mattie says, "I feel like a turncoat, a traitor." A turncoat is a historical reference to someone who switches political sides, like Benedict Arnold in the American Revolution. Mattie started crying because she feels safe.
Explanation:
I believe all comments are correct depending on what you guys believe.
Out of all of those, I would have to say the answer would be C.