【正确答案】 B

【答案解析】[听力原文]
   M: Ladies and gentlemen, welcome to Flight 990 non-stop service to Ontario. We'd like to remind you that this is a non-smoking flight. Federal law prohibits smoking in all areas of the plane, including lavatories. We'd also like to remind you that federal law prohibits congregating in groups anywhere on the plane. We'd therefore like to ask you to remain seated at all times. Our inflight service today includes a full-service beverage selection, including beer, wine and cocktails for $6. We are a cashless airline, so we only accept credit cards. Members of our frequent flyer program will be rewarded 2500 travel miles for today's flight. If you'd like to join our frequent flyer program, you can fill out the application form located in the pocket in the seat in front of you, and we 11 collect it from you. Thank you for flying with us today, and we wish you a pleasant flight.
选项A未提及。选项B正确。选项C错误，机上有偿提供饮品，不会免费赠送给会员。选项D未提及。