When Teaching a Patient with OA of the Left Hip

When teaching a patient with OA of the left hip and lower lumbar vertebrae about management of the condition,the nurse determines that additional instruction is needed when the patient gives which of the following responses?

A) "I can use a cane if I find it helpful in relieving the pressure on my back and hip."
B) "A warm shower in the morning will help relieve the stiffness I have when I get up."
C) "I should try to stay active throughout the day to keep my joints from becoming stiff."
D) "I should take no more than 1 g of acetaminophen four times a day to help control the pain."