胸外伤中血胸的常见出血来源有（）

A.肋骨骨折断端

B.肋间血管

C.挫裂的肺实质

D.心脏

E.大血管

Which of the following is a violation of Standard Ⅱ (B) , Market Manipulation（）

A. Implementing a trading strategy to exploit differences in market power and information. 

B. Selling a security and immediately purchasing a similar security in order to minimize income tax liability. 

C. Overstating an earnings projection in order to increase the price of a stock.