Given below are two statements:
Statement $I$: Ferromagnetism is considered as an extreme form of paramagnetism.
Statement $II$: The number of unpaired electrons in a $Cr^{2+}$ ion $(Z=24)$ is the same as that of a $Nd^{3+}$ ion $(Z=60)$.
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.