In Chapter 15 of Malala Yousafzai's story, her perspective about leaving her home because of the Taliban reflects a sense of sadness and loss. Therefore, the correct answer is:
d. She is sad because she does not want to leave her home.
Malala expresses deep regret and emotional turmoil about having to leave her familiar surroundings and the life she knew, even though she understands the dangers posed by the Taliban.