请根据下面的短文回答下列问题: Come to Happy Camp (野营) Where is Happy Camp Happy Camp is in a beautiful part of Hill Land. It is just 1,000 meters from the railway station. Many students come to Happy Camp for their school outing (远足). Students always have a lot of fun, so many schools come back year after year. What can we do at Happy Camp There are a lot of things you can do at Happy Camp. You can go swimming outside. If you don’t like swimming, you can play basketball or tennis inside. What else can we do There is a large hall (大厅) at Happy Camp. You can book the hall for party games and meetings. You can also watch films in the hall. What can we eat When you feel hungry, you can come to our restaurant. We have hot meals. You can also order lunchboxes if you want to go for a walk in the hills. In the evening, you can cook outside with your friends. Where do we stay Happy Camp has 10 houses. Each house has 4 rooms. Each room has 4 beds. You will sleep well after such a busy day. How can we book Call the Manager, Apple Mak, at 2988 7152 to make a booking. If you want to stay at Happy Camp, you ______.
A. can book a room by making a phone call B. can pay with your credit card C. need to be a student