Statement $1$: The cold pack used by athletes to treat injuries on the field works by dissolving a solute in water,which causes the temperature to decrease. Statement $2$: Adding a non-volatile solute to a solvent decreases its freezing point.

• A
  Statement $1$ and Statement $2$ are both true,and Statement $2$ is the correct explanation of Statement $1$.
• B
  Statement $1$ and Statement $2$ are both true,but Statement $2$ is not the correct explanation of Statement $1$.
• C
  Statement $1$ and Statement $2$ are both false.
• D
  Statement $1$ is true,but Statement $2$ is false.