Answer:
D. She knowingly disobeyed an unjust law.
Step-by-step explanation:
In "Civil Disobedience," Thoreau argues that a moral person is obliged to follow his principles and values. This is necessary for everyone, regardless of the commandments that other people give him. Therefore, if a person has a belief that opposes the law, he should follow his values, and not the law, because the law is unjust. This is similar to the situation Rosa Parks saw herself in. She knew that it was unjust for buses to be segregated, and even though this was the law, she decided to follow her principles and act against it.