A client calls his money manager and asks the manager to liquidate a large portion of his assets under management for an emergency. The manager warns the client of the risk of selling many assets quickly but says that he will try to get the client the best possible price. This is a violation of:（）
A. Standard Ⅲ (C) , Suitability.
B. Standard Ⅴ (B) , Communication with Clients and Prospective Clients.
C. none of the Standards listed here.