Here's a problem to solve: Which of these statements is most accurate about the Sun?

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

- A: It has an infinite energy supply.
 
- B: It is near the end of its life cycle.
 
- C: It is in its infancy in terms of energy consumption.
 
- D: It has consumed approximately one-half of its expendable energy.
 