Which of the following should be done before loading a shotgun? A, Wipe the firearm down with a lightly oiled rag Wipe the firearm down with a lightly oiled rag B, Remove the choke from the shotgun Remove the choke from the shotgun C, Match the gauge on the bottom of the shell to the shotgun's datastamp Match the gauge on the bottom of the shell to the shotgun's datastamp D, Count the number of shot pellets inside the shell Count the number of shot pellets inside the shell