The characterization technique used by Maya Angelou to convey a dominant impression of Aunt Tee is C. a character's words.
In the excerpt, Maya Angelou uses Aunt Tee's words to convey her attitude and beliefs about the relationship between black and white people.
Aunt Tee's statement suggests that she is proud of the cleanliness and neatness of the black community and sees it as a way to challenge the superiority of white people.
This implies that Aunt Tee is a strong and confident person who is not intimidated by the social and racial hierarchy of her time.