DNA Polymerase I and DNA Polymerase III Both Have _____ $\rightarrow$

DNA polymerase I and DNA polymerase III both have _____ activity but only DNA polymerase I has _____ activity.

A) 5' $\rightarrow$ 3'exonuclease; 3' $\rightarrow$ 5' exonuclease
B) 5' $\rightarrow$ 3' polymerase; 3' $\rightarrow$ 5' polymerase
C) 3' $\rightarrow$ 5' polymerase; 5' $\rightarrow$ 3' polymerase
D) 3' $\rightarrow$ 5' exonuclease; 5' $\rightarrow$ 3 ' exonuclease
E) 5' $\rightarrow$ 3' polymerase; 3' $\rightarrow$ 5' exonuclease