Given below are two statements :
Statement $I$ : Picric acid is $2,4,6$-trinitrotoluene.
Statement $II$ : Phenol-$2,4$-disulphonic acid is treated with conc. $HNO_3$ to get picric acid.
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
  Both Statement $I$ and Statement $II$ are incorrect.
• C
  Statement $I$ is correct but Statement $II$ is incorrect.
• D
  Both Statement $I$ and Statement $II$ are correct.