Which of these correctly describes the meaning of the y-intercept of the graph?

A.
The helicopter ends its journey 525 miles away from the airport.

B.
The helicopter takes 3.75 hours to travel to its final destination at the airport.

C.
The helicopter begins its journey 525 miles away from the airport.

D.
The helicopter takes 3.75 hours to travel to its final destination away from the airport.

C.

The helicopter begins its journey 525 miles away from the airport.