Answer:
A. Specific Detail
Explanation:
It is definitely not humor or assertion, which is a confident, forceful statement. I don't see it as simplicity because that is plain, natural, or easy to understand. When writing a thesis statement, your topic needs to be strong and to the point, which is more a specific detail. In this case, it is a specific detail about the narrator.
The sentence that includes an allusion is: Like a Grinch, he hated the holidays.
Because it refers to Grinch, a character from a well-known film, who hated Christmas.
Im not 100% sure but i think it is d