—Do you know       ? —I’m not sure, maybe he is an artist.

A．who is the man

B．what is the man

C．who the man is

D．what the man is

心衰、肝硬化、肾病综合征所致漏出液为（）

A.草黄色胸液常自行凝固

B.胆固醇性胸液

C.乳糜样胸液

D.黄色混浊脓性胸液

E.清澈透明性胸液，静置不凝固