Which situation would most likely create an aesthetic impact of regret at the end of a strory?

a. a man confesses that he has always loved a certain woman, who now lies dying.

b. a man tells off his family members, who have never supported him, and pursues his dream.

c. a man retires from his job and wonders what to do with his free time.

d. a man loses a big race by just seconds, even though he trained diligently.