What is the main reason some supporters of the European approach to privacy are skeptical about self-regulation of privacy practices?

What is the main reason some supporters of the European approach to privacy are skeptical about self-regulation of privacy practices?
A . A large amount of money may have to be sent on improved technology and security
B . Industries may not be strict enough in the creation and enforcement of rules
C . A new business owner may not understand the regulations
D . Human rights may be disregarded for the sake of privacy

Answer: B