I believe the answer is: d. neither a nor b
You could leave the person to obtain help from others (whether for ambulance or to to bring the person directly to emergency room). Coffee is generally believed to reduce the amount of alcohol in our body and help during alcohol poisoning, but this all a myth that hasn't been scientifically proven.
They are called chorales.
Computers have made making maps easier, because of digital technology. It's easier to pull a program to make a map.
