Option D as they started with “some might think that” which means they are starting the opposing point, the counterarguement.
Answer:
Perseverance
Explanation:
She doesn't want him to give up just because it's hard.
The line is an example of a direct quotation. That is when a quotation by someone is unchanged and presented in its entirety. Of course, it's a part of a larger speech, but it's unchanged and can be as such analyzed for various things that the linguists would be searching for.
I think you should go with A
B.the brief rejection of an obligatory role