B
Students at Mata School must follow classroom and school rules. Here are some of these rules:
★Walk to class quickly and quietly.
★Do not eat or drink in class.
★Don't talk loudly.
★Don't bring dangerous(危险的) things to school.
★When you meet a problem, try to find help from a teacher.
★When the bell rings,students should be in classrooms.
★Do not bring large amounts of money to school.
根据短文内容回答下列问题。