阅读下列短文, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
(2013·苏锡常镇四市二调，C)
Global Positioning Systems are now a part of everyday driving in many countries. These satellitebased systems provide turnbyturn directions to help people get to where they want to go. But they can also cause a lot of problems, sending you to the wrong place or leave you completely lost. Many times, the driver is to blame. Sometimes a GPS error is responsible. Most often, says Barry Brown, it is a combination of the two.
Barry Brown is with the Mobile Life Centre in Stockholm, Sweden. The center studies humancomputer interaction, or HCI, especially communications involving wireless devices. We spoke to Mr Brown by Skype. He told us about an incident involving a friend who had flown to an airport in the eastern United States. There he borrowed a GPSequipped car to use during his stay.
