单项选择题

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Tom Burke recently tried to print out a boarding pass from home before one of the frequent/lights he takes. He couldn’t. His name, or one similar to it, is now on one of the Transportation Security Administration’s terrorist watch lists.
Every day, thousands of people like Burke find themselves unable {o do things like print a boarding pass and are pulled aside for extensive screening because their name, or a name that sounds like theirs, is on one of the watch lists. From the TSA’s perspective, the screening is just one of the many new layers of increased security that are designed to prevent terrorist activity. The inconvenience is regrettable, but a price that society has to pay for security. And for national security reasons, the FBI and other government agencies responsible for supplying names to the lists will not disclose the criteria they use. They say that would amount to tipping their hands to the terrorists.
But civil libertarians are more concerned about the long-term consequence of the current lists. On Sept. 11, 2001, the no-fly list contained 16 names. Now, the combined lists are estimated to have as many as 20,000. Internal FBI memos from agents referred to the process as "really confused" and "not comprehensive and not centralized." Burke and others contend that such comments axe disturbing, because it was during the first year after the attacks that the watch lists grew exponentially.
"The underlying danger is not that Tom. Burke can no longer get a boarding pass to get on an air line," says a lawyer. "It’s that the Tom Burkes in the world may .forever more be associated (with the terrorist watch list)." Burke says they do know that the lists axe frequently updated and distributed internationally, but they don’t know how the old lists are destroyed. They also hope to ensure that sometime in the future a person whose name is on the list, but is not a terrorist, does not run into further trouble if, say, law enforcement in another country that they’re visiting comes across their name on one of the old lists.
In addition, airlines are concerned that the lists are not updated frequently enough. "We’ve been encouraging the TSA to work with all of the other federal law-enforcement agencies to get a regular re view of the names that they submit to TSA, because there have been reports that these agencies have said that if there was a review, many of the names could be removed," says Diana Cronin of the Air Transport Association.

The attitudes of FBI and Burke towards the reliability of the no-fly list are()

A.similar.
B.opposite.
C.confusing.
D.ambiguous.