Given below are two statements:
Statement $(I)$: The mean free path of gas molecules is inversely proportional to the square of the molecular diameter.
Statement $(II)$: The average kinetic energy of gas molecules is directly proportional to the absolute temperature of the gas.
In the light of the above statements,choose the correct answer from the options given below:

• A
  Statement $I$ is false but Statement $II$ is true.
• B
  Statement $I$ is true but Statement $II$ is false.
• C
  Both Statement $I$ and Statement $II$ are false.
• D
  Both Statement $I$ and Statement $II$ are true.