When Responding to a Robbery in Progress at a Local

When responding to a robbery in progress at a local gas convenience store,what should the first officer at the scene do if the robbery is still in progress with the suspect inside?

A) Enter cautiously and eliminate the deadly threat using whatever force is reasonable.
B) Announce your presence to the suspect and demand that he or she surrender.
C) Do not enter the store until the robbery suspect has exited.
D) None of the above tactics is correct.