You Are Standing near a Railroad Track and a Train

Multiple Choice

You are standing near a railroad track and a train is moving toward you at 60 mph and blowing its horn. What will you notice as the train moves past you

A) As the train approaches, the horn will sound lower in pitch than when the train is moving away.
B) As the train approaches, the horn will sound higher in pitch than when the train is moving away.
C) There will be no change in the pitch of the horn as it moves by.
D) The horn will get louder as the train moves away from you.
E) The horn will get quieter as the train moves toward you.