The Client Receives an Appropriate Dose of Warfarin (Coumadin), but the International

The client receives an appropriate dose of warfarin (Coumadin) , but the international normalized ratio (INR) is in the high range. The client denies taking any aspirin products. What is the best assessment question to ask the client at this time?

A) "Are you restricting your fluids too much?"
B) "Have you been drinking too much milk?"
C) "Have you been eating much garlic?"
D) "Have you been eating a lot of salads and vegetables?"