Answer: C. to highlight the fact that the speaker is no different from any other average American girl.
Explanation: In the given excerpt from "In Response to Executive Order 9066", the speaker emphasize her similarities with any other American girl, by highlighting the fact that even though she is Japanese-American, she doesn't feel comfortable using chopsticks (that is something used in everyday Japanese culture) and that her favorite food is hot dogs (which is a very American food).
