Read the following passage from "Babylon Revisited" by F. Scott Fitzgerald.
"I'm delighted," Marion said vehemently. "Now at least you can go into a store without their assuming you're a millionaire."
What can you infer about Marion's attitude from the fact that she spoke vehemently?
A) She was hesitant to say how she felt.
B) She felt guilty confessing her true feelings.
C) She felt strongly about what she was saying.
D) She was grateful to be able to say how she felt.