A CFA Institute member is a U. S. citizen living and working in a foreign country. That country has no laws against insider trading. Based on this information, the CFA Institute member may:（）

A. not trade using insider information based upon the CFA Institute Standards.

B. not trade using insider information based upon the rules of the SEC.

C. trade using insider information as long as it is not with a client with laws against insider trading.

舌淡紫湿润，最常见于

A．气血两虚

B．气虚血瘀

C．寒凝血瘀

D．气不摄血

E．气滞血瘀