a. the great athletes of America.
Beneatha and George point out various aspects of their African heritage in Act II, Scene 2 of Lorraine Hansberry's play "A Raisin in the Sun." However, they do not mention the great athletes of America. The aspects of African heritage that they do mention include the Ashanti's surgical operations (option b), the Songhay civilizations (option c), the poetry of the Bantu (option d), and the great sculpture of Benin (option e).