Three asteroids have exactly the same amount of mass. The distance from asteroid A to asteroid B is 200 km, the distance from asteroid B to C is 100 km, and the distance from C to A is 250 km. Between which two asteroids would the gravitational force be the largest?
A. Between asteroid A and B.
B. Between asteroid B and C.
C. Between asteroid C and A.
D. The gravitational force between each pair of asteroids would be the same.