Given below are two statements $:$
Statement $(I) :$ Neopentane forms only one monosubstituted derivative.
Statement $(II) :$ Melting point of neopentane is higher than $n-$pentane.
In the light of the above statements,choose the most appropriate answer from the options given below $:$

• A
  Statement $I$ is correct but Statement $II$ is incorrect
• B
  Both Statement $I$ and Statement $II$ are correct
• C
  Both Statement $I$ and Statement $II$ are incorrect
• D
  Statement $I$ is incorrect but Statement $II$ is correct