Ian O’sullivan, CFA, is the owner and sole employee of two companies, a public relations firm and a financial research firm. The public relations firm entered into a contract with Mallory Enterprises to provide public relations services. According to the contract, O’Sullivan received 40000 shares of Mallory stock in payment for his services. Over the next 10 days, the public relations firm issued several press releases that discussed Mallory’s excellent growth prospects. O’Sullivan, through his financial research firm, also published a research report recommending Mallory stock as a buy According to the Standards of Practice Handbook, was O’Sullivan required to disclose his ownership of Mallory stock in the: Press release Research report （）①A. NoNo ②B. NoYes ③C. YesYes

A．① 

B．② 

C．③