Which of the Following Explains Why Bubbles Form on the Inside

Which of the following explains why bubbles form on the inside of a pan of water when the pan of water is heated?

A) As temperature increases,the solubility of air is less.
B) As temperature increases,the kinetic energy decreases.
C) As temperature increases,the vapor pressure increases.
D) As temperature increases,the atmospheric pressure decreases.
E) none of the above