Answer:
I think it is a because it is
What do you mean about 'Elective courses'? Is it the courses the students chose?
If then, say we have the right to learn what we want.
Yooooooooooioiiooooooooooooooooooo
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.
