Scientists found that young babies learn to do things because certain acts lead to________. [      ]

A. rewards  

B. prizes

C. awards  

D. results

导致"故水病者，下为胕肿大腹，上为喘呼不得卧"的病理基础主要是（）

A.心肾功能失常

B.脾肺功能失常

C.脾胃功能失常

D.肺肾功能失常

E.肝肾功能失常