Which of the Following Would Likely Constitute a Breach of Ethics

Which of the following would likely constitute a breach of ethics for a management accountant?

A) to omit pertinent information from a report because it is personally unfavourable
B) to consider disclosing confidential information in order to further your own career
C) to consider disclosing confidential information (ie gained from a third party) in order to assist your employer/client
D) to report the unethical actions of another party, with the expectation that this will further your own career
E) to be disruptive in a meeting