Which One of the Following Situations Is a Violation of the Professional

Which one of the following situations is a violation of the professional rules of conduct? PA

A) looked the other way when he noticed that one of his firm's accounting staff accepted money from client management.
B) resigned so that he could accept a position on the Board of Directors at a major client.
C) prepared personal and corporate tax returns for a client and all of its executive officers.
D) placed an advertisement in the local paper indicating that she conducted audit engagements for five major insurance companies.