Where does the title of A Raisin in the Sun come from?

O A. A short story by Walt Whitman
B. A line in a gospel song
C. A poem by Langston Hughes
D. An essay by W. E. B. Dubois

C. A poem by Langston Hughes

The title of "A Raisin in the Sun" is taken from a line in Langston Hughes' poem "Harlem" (also known as "A Dream Deferred"). The poem questions what happens to a dream that is deferred or put off, comparing it to a raisin drying up in the sun.