Given below are two statements:
Statement $I:$
$DNA$ polymerases catalyse polymerisation only in one direction,that is $5^{\prime} \rightarrow 3^{\prime}$.
Statement $II:$
During replication of $DNA$,on one strand the replication is continuous while on the other strand it is discontinuous.
In the light of the above statements,choose the correct answer from the options given below:

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