When Landing from a Jump, Which of the Following Proprioceptors

When landing from a jump, which of the following proprioceptors facilitate the return to the standing position?
1) Pacinian corpuscles
2) joint receptors in feet
3) labyrinthine system
4) muscle spindles

A) 1, 2, 3
B) 1, 2, 4
C) 1, 3, 4
D) 2, 3, 4