—What's wrong with you? 

—_____________.[ ]

A. I've got a fever

B. She'll take some medicine

C. I've got a new bike

D. I'm a doctor

消费者投资中，流动性最强的投资类型是（）

A.金融投资

B.贵重金属投资

C.教育投资

D.不动产投资