Given below are two statements :

Statement $I:$Autoimmune disorder is a condition where body defense mechanism recognizes its own cells as foreign bodies.

Statement $II:$Rheumatoid arthritis is a condition where body does not attack self cells.

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 incorrect

• B

  Statement $I$ is correct but Statement $II$ is incorrect

• C

  Statement $I$ is incorrect but Statement $II$ is correct

• D

  Both Statement $I$ and Statement $II$ are correct