What Statement Is TRUE Regarding Gait

What statement is TRUE regarding gait?

A) There is no non-weight-bearing period or phase with a walking gait.
B) At midstance and terminal stance the body is supported by both limbs at initial contact of a walking gait.
C) In running, the stance phase accounts for one-quarter of the gait cycle.
D) In running, there is a time when neither foot is in contact with the ground and no time when both feet contact the ground simultaneously.
E) In the running gait, initial contact of the foot usually occurs on the medial aspect of the calcaneus.