丹痧毒在气营的证候有（）

A.高热、面赤、口渴

B.咽喉糜烂

C.皮疹色紫如瘀点

D.舌如杨梅

E.脉浮有力

An analyst likes to trade options in her own account. She does not deem any of her client accounts suitable for option trading. When she finds a favorable options position, in accordance to Standard Ⅵ (B) , Priority of Transactions, she should :（）

A. first tell her clients about it before acting herself.

B. act on it immediately on behalf of her clients then act on her behalf.

C. act on it on her own behalf as she sees fit.