Statement $I :$ Acid strength increases in the order given as $HF < HCl < HBr < HI$.
Statement $II :$ As the size of the elements $F, Cl, Br, I$ increases down the group,the bond strength of $HF, HCl, HBr$ and $HI$ decreases and so the acid strength increases.
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 correct but Statement $II$ is false.
• D
  Statement $I$ is incorrect but Statement $II$ is true.