听力原文:Our lost-and-found system allows you to notify us if you lose an item while ridin
According to the passage, when will the person be contacted by the lost-and-found office?
A.When the person is on the subway.
B.When the person comes to the office in person.
C.When the office finds a match for the item lost.
D.When the office finishes the search for the item lost.