The Nurse Knows That Parents Need Further Teaching with Regard

The nurse knows that parents need further teaching with regard to the treatment of congenital clubfoot when they state what?

A) "We'll keep the cast dry."
B) "We're happy this is the only cast our baby will need."
C) "We'll watch for any swelling of the foot while the cast is on."
D) "We're getting a special car seat to accommodate the cast."