Final answer:
The American Cancer Society is the non-profit organization listed among the options provided. The WHO is an international entity and the CDC is a governmental agency.
Step-by-step explanation:
The student asked which of the following is a non-profit organization: World Health Organization (WHO), Center for Disease Control and Prevention (CDC), National Institutes of Health, or American Cancer Society. Among these options, the American Cancer Society is a non-profit organization dedicated to eliminating cancer as a major health problem. The other entities listed are either parts of government agencies, such as the CDC, which is an agency of the Department of Health and Human Services or are international organizations like the WHO, which is a specialized agency of the United Nations.