Mark is wearing tennis shoes while working at the hospital. Are these shoes
acceptable for the operating room, or would Mark need to take actions to
change them?

A. Yes, Mark's shoes are acceptable to wear in the operating room.
B. No, Mark would need to change his shoes to non-cloth material
and wear shoe covers.
C. Yes, Mark's shoes are acceptable, but he would need to also wear
shoe covers.
D. No, Mark would need to remove his shoes and wear plastic covers
instead