Answer:
Among the options given on the question the correct answer is option C.
Stefano vs himself
Explanation: Colomber is a short story by Dino Buzzati on 1966. The story is about a guy named Stefano. On the beginning Stefano was accompanying his father on the boat,who was a sailor. Suddenly his father realized that Colomber is following them which is a shark. So he sent Stefano to a school in mainland. But Stefano could not rest.He was continuously attracted by the shark called Colomber. Stefano became a good sailor to search colomber to get rid of the fear.
Actually he realized at the end that it was nothing but his fear.So it can be said that the primary conflict in the story is Stefano vs himself.