单项选择题

案例分析题

Attention passengers for Skyway Airlines flight six-ten to Portland：There’s been a gate change.Flight six-ten is now scheduled to depart from gate B-three.Due to a mechanical problem with an earlier flight，Skyway Airlines flight six-ten to Portland will now be departing from gate B-three.We apologize for the inconvenience.The scheduled departure time for flight six-ten remains two-thirty-five.Boarding for flight six-ten will begin at approximately two-oh-five.Again，Skyway Airlines flight six-ten to Portland will depart from gate B-three at two-thirty-five；boarding will begin at approximately two-oh-five.

Where is flight 610 going?（）