Correct Option: B

Social infrastructure refers to the facilities and mechanisms that ensure education, health care, community development, income distribution, employment and social welfare. It includes health care system, including hospitals, the financing of health care, including health insurance, the systems for regulation and testing of medications and medical procedures; the educational and research system, including elementary and secondary schools, universities, specialised colleges, research institutions; Social welfare systems; Sports and recreational infrastructure, such as parks, sports facilities, the system of sports leagues and associations; Cultural infrastructure; and business travel and tourism infrastructure, including both manmade and natural attractions, etc.