Answer:
I think D. That or it's C.
Explanation:
His father nods but clenches his fist which means he's not happy with the trial but he's trying. His mother also forces a smile. I think it's D because, though his parents may not like it, they are trying.
I hope this helps!
Asagai's main function as a character seems to be to inject the play with symbolism. Basically, Asagi is Africa. He represents one extreme of the American debate on assimilation. His presence in the play forces the audience (and Beneatha) to ask what it truly means to be an African American.
The prefix pre- means before.