I think the answer would be the spelling of Emily Dickenson is wrong. So she is the answer. However, Emerson's transcendentalism influenced the work of writers Henry David Thoreau, Walt Whitman, and Emily Dickinson. The transcendentalists championed individualism.
Assuming this question is asking for a definition/synonym/"other word" for chivalrous, the answer is courteous. leaving a more comfortable seat for an elderly person is a respectful and polite gesture, which shows courtesy.
Its C, hope this helps!!!