Here's a problem to solve: Why does the Sun appear to be the largest star when there are stars that are much larger than the Sun?

Among the 4 following options, which is the correct answer?

- A: Stars have the same temperature as the Sun.
 
- B: Stars usually appear in groups called clusters.
 
- C: The Sun is closer to Earth than other stars.
 
- D: The Sun is younger than most other stars.
 