DNA polymerase have:
A i.e. 5'--> 3' exonuclease activity; B i.e. 5'-* 3' Polymerase activity; C i.e. 3'-* 5' exonuclease activity;
5' -+ 3' exonuclease activity
5' --> 3' polymerase activity
3' --> 5' exonuclease activity
All of the above