单选题：lanning Your Visit to the California Science CenterHours & A

lanning Your Visit to the California Science Center
Hours & Admission
The California Science Center is open daily from 10 a.m.-5 p.m.except for Thanksgiving,Christmas and New Year's Day. The IMAX Theater is open daily. Please read our movie times page orcall 213-744-7400 for show information.
Admission to the Science Center's permanent (长期的) exhibition is free. Admission prices forthe IMAX Theater are based on age group, and lower-priced tickets are given to groups of 15 or morepeople. Ticket prices also apply to three Science center attractions: the High Wire Bicycle, theMotion Based Simulator and the Ecology Cliff Climb.
If you're coming in a group of 15 or more people, please check our. group reservations page.Food and bank services are offered for your convenience. For more information about Science Centerhours or programs, please contact us.
How to Find Us
South of downtown Los Angeles, the Californi.a Science Center is built in Historic ExpositionPark, just two blocks west of the Harbor (110) Freeway at the Exposition Boulevard Exit. There arebuses going to the Science Center. For more information, see Map & Directions.
Planning Tips
Don't miss our Special Exhibits. They change throughout the year, always offering new and inter-
esting ways to learn about science.
When you arrive, be sure to cheek at the Information Center for the day's special activities. Ifyou are with children under 7, stop by the' Discovery Rooms in Creative World or World of Life forsome hands-on learning.

根据材料请回答
What should you do first if you are to visit the Center with a group Of 16 people? A．Make a reservation.
B．Check up the programs.
C．Buy a map of the Center.
D．Reserve tables at the restaurant.