Which Statement Establishes That the Nursing Assistant Understands When Bed

Which statement establishes that the nursing assistant understands when bed linen is changed?

A) "The nurse tells me when a resident's bed needs to be changed."
B) "The policy states that linen must be changed at least once weekly."
C) "I change a bed's linen whenever it's wet, soiled, or wrinkled."
D) "I change bed linen twice a week whether it's needed or not."