Which One of the Following Statements About the Use of an Escort

Which one of the following statements about the use of an escort to drive a critical patient to the hospital is true?

A) "It is actually safer, because traffic is cleared ahead of the ambulance."
B) "It should be used as a last resort, because it increases the risk of an accident."
C) "It is a safe way to get a critical patient to the hospital quickly and should be used when needed."
D) "It is safer if the ambulance transporting the patient goes first and is followed by the second emergency vehicle."