The correct option is A. The generalization that Hughes suggests in paragraph 3 of “The Negro Artist and the Racial Mountain” is "that high-class Negros are aimless" because at the beginning of the paragraph they endorse "For racial culture the home of a self-styled "high-class" Negro has nothing better to offer." Refering to a generalization.
"The Negro Artist and the Racial Mountain" is an essay written by Langston Hughes in 1926. The poem is intended to make people comprehend that being black and African American is as valuable and important as being white. Furthermore, he aims to make blacks raise arwareness that they should be proud of who they are, without seeking to be like their white counterparts so that they can be accepted in American society.