A Client Had a Nerve Laceration Repair to the Forearm

A client had a nerve laceration repair to the forearm and is being discharged in a cast.What statement by the client indicates a poor understanding of discharge instructions relating to cast care?

A) "I can scratch with a coat hanger."
B) "I should feel my fingers for warmth."
C) "I will keep the cast clean and dry."
D) "I will return to have the cast removed."