298.
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: Calm down! My car is broken on the highway. I have a lady passenger, and she will be having a baby.
W: Now relax sir. Explain exactly where you are.
M: I'm... I'm in the southbound lane of the Lincoln Highway, about 15 miles from the Washington Tunnel, and this lady isn't going to wait.
W: Okay. What's your name, sir, and your passenger?
M: It's... it's Bob, and I have no idea about the woman. She's in no condition to tell me.
W: Okay, now what's the nearest landmark to your location? Pay careful attention.
M: Umm, I see golden arches... McDonald's.
W: Okay, is there anyone else with you?
M: No, and I've tried to get someone else to stop.
W: I've just sent an ambulance to your location. They should be there any second.
M: Hey, is there anything I can do while we wait for the ambulance?
W: Yes, uh, keep her calm and warm.
M: Okay. Please hurry.

答案解析：
(1) 正确答案为C。根据I have a lady passenger, and she will be having a baby. 我有名女乘客，她就要生孩子了。可知，这名女乘客要生小孩了，因此C项正确。
(2) 正确答案为C。根据女子问what's the nearest landmark to your location? 离你最近的地标性建筑是什么？男子回答：I see golden arches... McDonald's. 我看到了金色的拱门，啊，麦当劳。可知，离男子最近的地标性建筑是麦当劳。因此C项正确。
(3) 正确答案为B。根据keep her calm and warm.让她保持冷静，保持温暖。可知，男子可为乘客做的事情是，保持她冷静，温暖，因此B项正确。