— Can you give me some advice about the design?

— I think it should _____ to all ages and social groups. [ ]

A. appear

B. appeal

C. suit

D. fit

如果你是某市文化局工作人员，请用不超过350字，谈谈如何规范网络秩序，遏制侵权行为。要求：条理清楚，语言简明。