[解析]
C AA
W:Hello,this is the emergency 911 operator.
M:Help.Help .Please help me.
W:Yes sir,please calm down and explain exactly what is happening.
M:My cars parked on the highway.I have a lady passenger and she's seriously ill.I think she's suffering a heart attack.
W:Relax,sir.Can you tell me exactly where you are?
M:I'm...I'm on the south line of the third highway about 15 miles from the moonlight avenue exit.Um...I see McDonald's.
W:Okay.Please tell me your name and your passengers.
M:I'm Don.And I have no idea of the woman.She's not conscious enough to tell me.
W:I've just sent an ambulance to your location,it should be there soon.
M:Is there anything I can do while waiting here?
W: Yes, just stay with her and don't move her.