Given below are two statements.
Statement $I:$ During electrolytic refining,blister copper deposits precious metals.
Statement $II:$ In the process of obtaining pure copper by electrolysis method,blister copper is used to make the anode.
In the light of the above statements,choose the most appropriate answer from the options given below.

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