____is known to us is that China has won five gold medals in the 2010 Winter Olympic Games.

A．It

B．As

C．What

D．That

下列哪一项不是黄疸疫毒炽盛证的特点（）

A.发病急骤

B.疸色晦暗

C.皮肤瘙痒

D.神昏谵语

E.舌质红绛