Edison, CFA, supervises a group of research analysts, none of whom are CFA charter holders or CFA candidates. He has attempted on several occasions to get his firm to adopt a compliance system to insure that applicable laws and regulations are followed. The firm’s principals, however, have never adopted his recommendations. According to AIMR Standards of Professional Conduct, Edison at this point should:（）

A. take no action, because the employees are not CFA charter holders or CFA candidates.

B. take no action, because he has fulfilled his obligations under AIMR standards.

C. decline in writing to accept supervisory responsibility until his firm adopts reasonable compliance procedures.