To Improve a Patient's Dynamic Postural Control Using Visual and Vestibular

To improve a patient's dynamic postural control using visual and vestibular inputs,the most appropriate activity for the patient to perform is:

A) Standing on a foam surface with feet apart and eyes open.
B) Marching in place on a firm surface with the eyes open.
C) Walking with a narrowed base of support on foam with eyes open.
D) Walking with a narrowed base of support on a firm surface with eyes closed.