Given below are two statements $:$
Statement $(I) :$ The first ionisation enthalpy of group $14$ elements is higher than the corresponding elements of group $13.$
Statement $(II) :$ Melting points and boiling points of group $13$ elements are in general much higher than those of the corresponding elements of group $14.$ 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
  Statement $I$ is incorrect but Statement $II$ is correct
• C
  Both Statement $I$ and Statement $II$ are incorrect
• D
  Both Statement $I$ and Statement $II$ are correct