It is widely accepted that young babies learn to do things because certain acts lead to.A.

问题补充：

It is widely accepted that young babies learn to do things because certain acts lead to.

A. rewards

B. prizes

C. awards

D. results

答案：

A. rewards

B. prizes

C. awards

D. results

解析： rewards 意为“报酬，酬劳”，表示作为某种行为的结果而应得的报酬； B意为“奖品”； C.常用作动词，可接双宾语；意为“授予某人某物”，作名词时意为“奖品”；D意为“结果”。