Given below are two statements regarding the respiratory system of man.
$Statement-I$: Epiglottis prevents the entry of food into the trachea.
$Statement-II$: The internal lining of the trachea is made up of ciliated epithelium only.
In the light of the above statements, choose the most appropriate answer from the options given below:

• A
  $Statement-I$ is incorrect but $Statement-II$ is correct.
• B
  Both $Statement-I$ and $Statement-II$ are incorrect.
• C
  Both $Statement-I$ and $Statement-II$ are correct.
• D
  $Statement-I$ is correct but $Statement-II$ is incorrect.