$A$ compound $A$ with molecular formula $C_{10}H_{13}Cl$ gives a white precipitate on adding silver nitrate solution. $A$ on reacting with alcoholic $KOH$ gives compound $B$ as the main product. $B$ on ozonolysis gives $C$ and $D$. $C$ gives Cannizzaro reaction but not aldol condensation. $D$ gives aldol condensation but not Cannizzaro reaction. $A$ is:

• A
  $C_6H_5-CH_2-CH_2-CH_2-CH_2-Cl$
• B
  $C_6H_5-CH_2-CH_2-CH(Cl)-CH_3$
• C
  $C_6H_5-CH_2-C(Cl)(CH_3)_2$
• D