Why Do Children with CP Adopt a Wide-Based Sitting Posture

Why do children with CP adopt a wide-based sitting posture?

A) With wide-based sitting, the upper extremities are more involved than the lower extremities.
B) With wide-based sitting, the lower extremities are more involved than the upper extremities.
C) It increases the ability to turn and rotate in the sitting position.
D) Wide-based sitting allows the child with poor trunk control to maintain the posture.