Given below are two statements:
Statement $I$: The conversion $CH_3-CH_2-CH_2-CH_2-Cl \xrightarrow{OH^{-}} CH_3-CH_2-CH_2-CH_2-OH + Cl^{-}$ proceeds well in a less polar medium.
Statement $II$: The conversion $(CH_3)_3C-Cl \xrightarrow{OH^{-}} (CH_3)_3C-OH + Cl^{-}$ proceeds well in a more polar medium.
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 false but statement $II$ is true
• D
  Statement $I$ is true but statement $II$ is false