In Jamar's preschool, they recognize a lot of special occasions. They let parents bring in treats for birthdays, draw pictures for Grandparents' Day, and have lessons related to Christmas, Hanukkah, and kwanza. They also talk about common experiences, like going to the doctor or dentist.
What social function do these activities serve?
A. They maintain control
B. They share knowledge
C. They keep children busy
D They create a commin society