This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concept of health and disease, Subject name: Social & Preventive Medicine
"Barefoot Doctors" were from which type of medicine? 
Select and explain. 
A. Mesopotamian Medicine, B. Greek Medicine, C. Indian Medicine, D. Chinese Medicine
D: Chinese Medicine
Answer: D: Chinese Medicine 
Explanation: Barefoot doctors are farmers who received minimal basic medical and paramedical training and worked in rural villages in China. Their purpose was to bring health care to rural areas where urban-trained doctors would not settle.