contestada

Which sentence pattern is different from the other three?
A) Until my cousin bought the tickets, I never even considered going to the concert.
B) After the music stopped, Evan finally understood why I loved the cellist's music.
C) As soon as I heard Alisa Weilerstein play her cello, I fell in love with classical music.
D) Evan stopped and asked for directions to the concert hall because his GPS was not working properly.