The Patient Has Just Had a Plaster of Paris Upper

The patient has just had a plaster of Paris upper extremity cast placed because of a fractured radius.The statement indicating that the patient understands the discharge teaching related to cast care is:

A) "When I get home, I will remove some of the padding if it feels tight so my fingers don't swell."
B) "When I get home, I will wrap the cast in plastic so it will conserve the heat."
C) "When I get home, I will use a spoon handle to scratch inside if my arm itches."
D) "When I get home, I am going to rest in bed with my arm elevated above my heart."