What Is Responsible for Filling the Gap Left by the Nucleases

Multiple Choice

What is responsible for filling the gap left by the nucleases that digest the primer and the short DNA segment added to it by polymerase ?

A) DNA polymerase $\beta$
B) DNA polymerase $\delta$
C) DNA polymerase $\varepsilon$
D) both DNA polymerase $\beta$ and DNA polymerase $\delta$
E) RNase H1