Which of the Following Would Be the Best Choice in a Clinic

Which of the following would be the best choice in a clinic setting to minimize rheumatoid arthritis wrist pain and stiffness in an elderly female?

A) Any heating agent, because elderly people always prefer heat over cold.
B) Any cold therapy modality would be preferable to heat for this inflammatory problem.
C) Fluidotherapy, because the patient can do active range of motion during the heat treatment.
D) Electric heating pad, because it is easy to apply and the patient can use one at home.