Answer:
D.)All of the choices are correct.
Explanation:
The three authors presented in the question above are known for using naturalistic elements in their works, mainly William Dean Howells and Stephen Crane, who are considered to be great names in American naturalist literature.
Naturalism was a cultural and artistic movement adopted by many writers around the world. Naturalist authors, like those presented above, used to address issues such as misery, violence, crimes, human pathologies, sexuality, adultery and others in a very scientific and impactful way.