Which of the Following Lists Contains Elements of the Definition

Which of the following lists contains elements of the definition of a small group given in your book?

A) Shares a common purpose, consists of 2 to 15 people, interacts face-to-face
B) Members exert influence on others in the group, consists of 4 to 8 people with a formal leader
C) Shares a common purpose, consists of 3 to 15 people, members feel a sense of belonging, and they exert influence on each other
D) Has a formal leader, consists of 3 to 15 people, members feel a sense of belonging