Whether Movement Is Accelerating or Decelerating, Upright or Upside Down

Multiple Choice

Whether movement is accelerating or decelerating, upright or upside down, oriented in any other direction, even in the absence of visual clues, we can still determine our orientation in three-dimensional space because

A) at least one pair of semicircular canals (one in each ear) will always be stimulated.
B) all three pairs of semicircular canals will always be stimulated to some extent.
C) each semicircular canal in each side of the head are set at right angles to each other.
D) otolith crystals are able to flow freely from one semicircular canal to another, depending on the direction and speed of movement.
E) endolymph preferentially bends the stereocilia in one direction to depolarize or in the opposite direction to hyperpolarize.