Explanation:

- Option 1: Jaishankar Prasad

- Jaishankar Prasad is a celebrated Hindi poet, novelist, and playwright.

- He is the author of the epic poem "Kamayani," which is considered a masterpiece in Hindi literature.

- The poem explores themes of human emotions and philosophical ideas.

- Option 2: Gopala Sarana Sinha

- Less known in the context of Hindi literature's classical epics.

- Not related to the authorship of "Kamayani."

- Option 3: Mahadevi Varma

- A prominent poet in Hindi literature, known for her works in Chhayavaad.

- Not the author of "Kamayani," but noted for her own literary contributions.

- Option 4: Mahavir Prasad Dwivedi

- A significant figure in Hindi literature, known for his role in Hindi renaissance.

- Did not write "Kamayani."

Your Answer is Option:1 - Jaishankar Prasad, and it is indeed the correct choice. Your answer is right.