---Mr. Parker is so ambitious. He is seeking any opportunity to get promoted.

---That’s understandable. ________you are in our company determines how well you are paid and________you can do with your life.

A．Who; that

B．How; what

C．What; that

D．Where; what

关于喉淀粉样变的描述哪项是错误的（）

A.是喉黏膜上皮本身病变

B.是喉黏膜下病变

C.是代谢性病变

D.甚少恶性变

E.可多发存在