The United States: Fliers may want to have their tickets in hand before catching their planes, but the airline companies are doing everything they can to bring forward cost-saving ticketless flight--no paper needed, just a ticket number and a photo ID. Anyone who buys a Northwest E-ticket through the airline's computer service by June 16 will get an award. Next time you fly, you can buy another ticket for a friend for $99, good anywhere in the US or Canada, along with the lowest ticket prices. Some airlines offer extra frequent-flier miles for the ticketless crowd. And there are rising punishments for paper lovers. American, Northwest, United, and US Airways have raised the cost for lost-ticket replacement to $70 from either $60 or $50. The airlines insist that the increase in price is not meant to push travelers toward E-tickets but only covers the increasing cost of replacing and tracking a missing ticket. The airline companies say that they have raised the lost-ticket replacement price in order to    _  .
attract travelers to take ticketless flights punish those who insist on using paper tickets do better than other airline companies pay for the work to deal with lost tickets
Question: The United States: Fliers may want to have their tickets in hand before catching their planes, but the airline companies are doing everything they can to bring forward cost-saving ticketless flight--no paper needed, just a ticket number and a photo ID. Anyone who buys a Northwest E-ticket through the airline's computer service by June 16 will get an award. Next time you fly, you can buy another ticket for a friend for $99, good anywhere in the US or Canada, along with the lowest ticket prices. Some airlines offer extra frequent-flier miles for the ticketless crowd. And there are rising punishments for paper lovers. American, Northwest, United, and US Airways have raised the cost for lost-ticket replacement to $70 from either $60 or $50. The airlines insist that the increase in price is not meant to push travelers toward E-tickets but only covers the increasing cost of replacing and tracking a missing ticket. The airline companies say that they have raised the lost-ticket replacement price in order to    _  .
A. attract travelers to take ticketless flights
B. punish those who insist on using paper tickets
C. do better than other airline companies
D. pay for the work to deal with lost tickets
Answer: