Which of the Following Is a Security (Self Protection) Strategy

Which of the following is a security (self protection) strategy to guide digital citizens' behaviour?

A) sharing personal information carefully
B) learning how to use and be effective consumers of products and services on the World Wide Web
C) developing a code of ethics to specify conduct on the Internet as a digital citizen
D) model good use of electronic communication
E) following the rules and policies set by your school, agency, employer or digital site