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
Ottawa chaer of health promotion incorporates all of the following key action areas except? 
Select and explain. 
A. Build healthy public policy, B. Strengthen community action for health, C. Build social security system, D. Reorient health services
C: Build social security system
Answer: C: Build social security system 
Explanation: Ottawa Chaer for Health Promotion Five Key action areas Basic strategies Public Health policy Strengthen Community action for health Reorientation of health services personal skills development Suppoive Environment for health Advocate Enable Mediate Circle within 3 wings Incorpororates 5 key action areas Incorporates 3 basic strategies Ref: Park 25th edition Pgno: 37