Answer: b. is made familiar with the center.
Step-by-step explanation:
An orientation session is a session that is held in school, college and even offices to make the new joining individuals familiar with the working, rules, and regulations of the institution. Generally, in an orientation session the staff of the institution introduces themselves to the new joiners and the also the new joiners introduce themselves.
Thus in an orientation session, the new family will be made familiar with the daycare center. The new family will come to know about the working and functioning of the daycare center. The daycare center will come to know about the requirement of child or children.