Given below are two statements $:$
Statement $(I) :$ Vanillin, which has a benzene ring substituted with a methoxy group, a hydroxyl group, and an aldehyde group, will react with $NaOH$ and also with Tollen's reagent.
Statement $(II) :$ Vanillin will undergo self-aldol condensation very easily.
In the light of the above statements, choose the most appropriate answer from the options given below $:$

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