1. Langston Hughes (1902)
2. James Baldwin (1924)
3. Maya Angelou (1928)
4. Alice Walker (1944)
5. Toni Morrison (1931)
When ordered by birth year:
- Langston Hughes (D)
- James Baldwin (E)
- Maya Angelou (A)
- Toni Morrison (B)
- Alice Walker (C)
This gives us the order: D, E, A, B, C. Hence, the correct choice is 2.