[单选题]Which statement below is not true? A.The phrase “take off” is used only in takeoff clearance or in cancellation of takeoff clearance B.An ATC route clearance serves as an authorization for line-up or takeoff maneuvers C.The word “departure” or “airborne” is used in instructions other than takeoff clearances D.The phrase “take off “is not used in an ATC route clearance