The answer is D. She is getting together with other people from her class. That makes it a GROUP of people who are going to STUDY for the class, or in other words a study group.
Focused only on the needs of the child
Community-sponsored programs are organized by nongovernmental agencies in a community such as religious institutions, businesses, or clubs. They are not supported by or affiliated with government organizations thus generally cannot claim to represent official government policies.
Cancer is caused by accumulated damage to genes. The substance that causes cancer is called carcinogens.
I'd say probably C
Hope this helps!