B. To explain how she felt about being discriminated against not only because of her race but also because of her gender.
Answer:
The mood created by the author is suspenseful.
One such situation in which compulsion might be implicit is if someone is in need or rescuing, since although they could be "forced" to be rescued, it can be assumed that they would want to be rescued anyway.
Answer:
Explanation: To provide more personality into the characters that are speaking.