题目

根据短文理解，选择正确答案。Uncivilized behavior by passengers unacceptable For the first time, airline passengers have been blacklisted for uncivilized behavior. Their names will remain on the blacklist for one or two years, according to an announcement by the China Air Transport Association on Saturday. The blacklisting means they will not be able to travel by air until their names are removed from the list. Blacklisting passengers who disobey the rules for traveling by air and so place their own interests before everything else, including safety, has long been overdue (迟到那两个字母代表什么？ ____________________