Answer:
B. truth
Step-by-step explanation:
The main subject of the story "Like the Sun" is the idea of truth. This is a universal theme that resonates with many different types of people and cultures. In this story, the protagonist wonders what the consequences of telling the truth are. In order to discover it, he decides to only tell the truth for a whole day. Although this brings some conflict into his life, it also brings him some unexpected rewards.