I carry:
cell phone
wallet
keys
leatherman juice s2
black pen
g shock watch
and I have a basic BLS bag in my pov
at work I carry the same things plus an extra pair of gloves in my pocket and a radio. But my rig has everything stocked in it that I would need.
I would say the answer is D. You want to let them know the situation and that you will take their loved one to the hospital. I think if someone sees you doing cpr they probably knows the heart has stopped. And don't say something that will upset them more, like stated above is a good example...