《病原微生物实验室生物安全管理条例》规定我国尚未发现或者已经宣布消灭的微生物属于（）

A.第一类病原微生物

B.第二类病原微生物

C.第三类病原微生物

D.第四类病原微生物

E.以上都不是

For the past decade, Christina Pederson, CFA, has managed the account of Susan Stefansson and in that time developed a close relationship with her client. Stefansson has a beach house in the Bahamas which she offers Pederson and her family free use of for two weeks as a reward for the excellent returns generated in her account. Pederson is so busy at work she doer not tell anyone where she is going for vacation. When accepting Stefansson’s offer, Pederson least likely violates the CFA Institute Standard relating to:（）

A. loyalty to employer.

B. disclosure of conflicts.

C. Independence and objectivity.