Yu Spends Most of His Time in the Countryside Picking

Yu spends most of his time in the countryside picking herbs to use in his place of work.He dries the herbs and makes teas and elixirs for his customers,who are ill people who distrust doctors and Western medicine in general.His clients use his concoctions to treat their maladies instead of going to a doctor.What term do sociologists use to describe Yu's practices?

A) alternative medicine
B) faith healing
C) complementary medicine
D) herbal remedy cures
E) elixirology