Two statements in respect of drug-enzyme interaction are given below.
Statement $I$: Action of an enzyme can be blocked only when an inhibitor blocks the active site of the enzyme.
Statement $II$: An inhibitor can form a strong covalent bond with the enzyme.
In the light of the above statements,choose the correct 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.