Which of the following statements about the efficient market hypothesis is FALSE()

A. Exchange specialists derive above-average returns from private information.

B. Runs tests are used to test the weak form of the efficient markets hypothesis.

C. Efficient markets tests have found that professional money managers, as a group, have consistently outperformed the market.

病历摘要：患者男性，59岁。有上肺支气管扩张症，痰液每天超过150ml，行右上肺切除。

气管插管最好选用（）。

A.总气管插管

B.单侧支气管插管

C.双腔支气管插管

D.气管造口插管

E.以上均可