Which of the Following Are Alternatives in Dealing with Issues

Which of the following are alternatives in dealing with issues of ethics in advertising?

A) Try, in a general way, to minimize racism, sexism, and other exploitation.
B) Include, as part of the development process, a systematic, focused review of the underlying messages contained in advertisements.
C) Refuse to create ads that are potentially demeaning, insensitive, or harmful, recognizing that such a stand may lead to a loss of clients.
D) All of the above are alternatives in dealing with issues of ethics in advertising.