A patient comes in and tells you that he has arthritis and needs Cerebyx. What do you do? A. You know that Cerebyx and Celebrex are similar, but you assume that the patient knows what drug he needs. B. You know that Cerebyx is used for seizures, while Celebrex is used for arthritis. You check it in the drug reference guide and inform the patient. C. You greet the patient politely and give him the drug. D. You feel sorry for the patient because he mixed up Cerebyx and Celebrex.