A Client Newly Diagnosed with Diabetes Tells the Nurse, "I

A client newly diagnosed with diabetes tells the nurse, "I can't take any insulin made from pigs or cows." Which of the following responses by the nurse is best?

A) "Most insulin comes from animal sources, but I'm sure alternative options are available."
B) "Medications that are derived from animals are typically less expensive than synthetic medications, but synthetic insulin is commonly available."
C) "Most insulin is synthetic now, so your insulin won't be from animal sources."
D) "The animals aren't hurt in the production of medications, so you don't need to worry."