The Nurse Working in the Emergency Department (ED)is Providing Discharge

The nurse working in the emergency department (ED) is providing discharge teaching for a client with a newly applied cast to the left arm.Which statement by the client indicates additional teaching is required?

A) "When I take a shower,I will put a plastic bag over my cast and keep it dry."
B) "When my fingers feel cold,I will cover them with a blanket."
C) "I will go home today and put ice on the cast over the fracture and prop it on pillows."
D) "If I lose sensation in my fingers,I will call my doctor."