1. C - However, in the event of a medical emergency, these people can call a flying doctor to come and help them
2.E - Today, though, it has fifty-three aircraft, and almost one thousand people on staff
3. A - Aircrafts and doctors are on call 24 hours a day, every day of the year and no call.goes unanswered
4. D - All in all, the RFDS helps over 270,000 people every year
