A. Sylvia will do anything for money. B. Sylvia cares more about people than animals. C. Sylvia does one thing but believes the opposite. D. Sylvia is experiencing falling in love.
The answer then would be D. Sylvia is experiencing falling in love.
I think the answer is that Sylvia is experiencing falling in love. She is extremely attracted to the hunter, and might be actually falling in love with him, but the important thing here is that she doesn't follow her physical attraction, she follows her philosophical learnings.
The author's purpose is to give an example of a disadvantage or unfairness between being colored or being white and make the reader more sympathetic to the circumstance.