Bowling ball hits two standing bowling pins at the same time. Which of the following is true?

Assume that all collisions are elastic.

A. The sum of the momentum of both pins after the collision will equal the momentum of the ball before the collision.
B. The momentum of each pin after the collision will equal the momentum of the ball before the collision.
C. The sum of the momentum gained by both pins will equal the amount of momentum lost by the ball.
D. The momentum of the ball after the collision will equal the momentum of the ball before the collision.