The Nurse Is Teaching a Client Prescribed Sublingual Nitroglycerin for Chest

The nurse is teaching a client prescribed sublingual nitroglycerin for chest pain.Which statement indicates that the client needs further teaching?

A) "I carry my medicine around in a clear plastic bag so that I can get to it easily if I have chest pain."
B) "Even if I have not used any of the nitroglycerin from one refill, I get another refill every 3 months."
C) "If I still have chest pain after I have taken 3 nitroglycerin tablets, I will go to the hospital."
D) "When my nitroglycerin tablet tingles under my tongue, I know that it is strong enough to work."