The answer is: A)Physicians could not do much for victims of the plague.
In this excerpt you can find this part “There is little you can do. Physicians will prescribe the traditional medicines of dragon water, mithridatium, and theriac” Where the author describes that when the affection for the plague gets worse there was not many options to take, the Physicians only prescribe traditional medicines that would not help so there was not much they could do.