Based on the provided options, the most likely answer would be:
d. She didn't want to upset him.
Why is this the best choice
This option suggests that America may be hesitant to ask to use the restroom because she is concerned about upsetting Jim Shirley. It could be a matter of respect or fear of causing discomfort in the given situation.
The given question refer to a specific context or situation involving America, Jim Shirley's place, and asking to use the restroom.