Kenneth, CFA, is a portfolio manager at A&B limited, if he suspects a colleague at his company of engaging in ongoing illegal activities, as according to the AIMR Standards of Professional Conduct, he is required to take all of the following actions EXCEPT:（）

A. determine whether the conduct is, in fact, illegal. 

B. disassociate himself from any illegal activity. 

C. report the illegal violations to the appropriate governmental or regulatory organizations.

存款人因办理日常转账结算和现金收付需要而开立的银行结算账户属于（）。

A．一般存款户

B．专用存款户

C．基本存款户

D．临时存款户