Which The correct description about HACCP is 关于HACCP说法正确的是 （ ）

A、HACCP includes 12 steps and 7 principles HACCP包括12步，7项原则
B、HACCP system is used to prevent and reduce all food safety risks HACCP体系用来预防和降低所有食品安全风险
C、The food safety team must verify the accuracy of the flow diagrams by on-site audit and challenge at least monthly
食品安全小组必须至少每月通过现场审核和挑战来验证流程图的准确性
D、 If there is no any change affecting the food, it is not necessary to review the HACCP plan
如果没有发生任何影响食品的变化，不需要回顾HACCP计划