Michael Jackson, CFA, works for a Privately Offered Fund Company as a portfolio manager. The firm purchases investment research about IT industry from a third-party independent research institution which the firm determines has a sound research basis and continuous reliability. Jackson communicates information from the third-party research to his retail and institutional clients but does not disclose the source. Jackson has most likely violated the Standards of Professional Conduct relating to:（）
A. the Standards regarding disclosure of conflicts.
B. the Standards regarding misrepresentation.
C. the Standards regarding diligence and reasonable basis.
