A Patient Diagnosed with Reactive Arthritis Says, "I Know This

A patient diagnosed with reactive arthritis says, "I know this condition came from an infection. Can I give it to my family?" How should the nurse respond?

A) "You will be contagious until you have been on the prescribed antibiotics for 3 to 4 days."
B) "If your family was going to catch this, they probably already have."
C) "Your arthritis was caused by an infection that you might be able to pass on to your family, but you cannot give them arthritis."
D) "The kind of infection that causes this arthritis is not communicable."