The title of this article most probably is ______.

A．The Oregon lawyer was arrested because his fingerprints were found near the scene of the terrorist attack.
B．What happened to Brandon Mayfield also happened to some other people.
C．Police officers often use fingerprints successfully to catch the very criminals they wanted.
D．A fingerprint scan have already been a ticket for an individual to get into a building.

A．will be used widely in people's work and life
B．always works
C．are used to help scientists to compete in their computer researches
D．helped the FBI to keep track of the terrorist of the March 2004 bombing at a train station in Madrid