Ancient peoples sought to identify the indicators of inflammation ...

[futuristic]

Ancient peoples sought to identify the indicators of inflammation because
A) seeing such signs would be cause for their seeking out a healer in their community.
B) the presence of the signs of inflammation in a patient could be a condemnation of the healer.
C) the ancients probably knew of plant derivatives that could reduce the pain of inflammation.
D) the presence of these signs suggests that healing was taking place; otherwise, the patient would likely die.
E) the signs of inflammation served as a caution to keep people away from the patient.

[aero]

I remember it was D