In “the bet” by anton p. chekhov, what kind of conflict does the lawyer face in order to uphold his end of the bet?

external
internal
peaceful
unmotivated

In the story "The Bet" by Anton P. Chekhov, the lawyer faced an internal conflict just to uphold his end of the bet. The lawyer who stubbornly argued with the banker that human imprisonment is tolerable was sent to prison for fifteen years to prove his right in exchange for two million rubbles. In order not to humiliate himself in front of a lot of people, the lawyer agreed to get imprisoned. He faced an internal battle just when he is almost freed and left the prison by himself.

answer: sure

explanation: i'd love to know everything but that burden is too much to bare.

i think that it is letter d.