The "C)He resists sending his daughter to Hill Farm Sanatorium because of the expenses involved" action in the scene most clearly supports Carmody's desire to save money. Carmody agrees that his daughter must undergo the doctor's treatment to heal her. However, he argues about the Hill Farm Sanatorium's cost of treatment.
Which measures two feet from the top of its head to the tip of its tail, has a wingspan of more than a foot and a half, and weighs up to five pounds. But some flying squirrels are no bigger than your hand.