Which of the following statements is correct regarding the process of replication in $E. coli$?

• A
  The $DNA$ dependent $RNA$ polymerase catalyses polymerization in one direction,that is $5^{\prime} \rightarrow 3^{\prime}$.
• B
  The $DNA$ dependent $DNA$ polymerase catalyses polymerization in $5^{\prime} \rightarrow 3^{\prime}$ as well as $3^{\prime} \rightarrow 5^{\prime}$ direction.
• C
  The $DNA$ dependent $DNA$ polymerase catalyses polymerization in $5^{\prime} \rightarrow 3^{\prime}$ direction.
• D
  The $DNA$ dependent $DNA$ polymerase catalyses polymerization in one direction,that is $3^{\prime} \rightarrow 5^{\prime}$.