He is to make money to help his parents live a better life.A. old enoughB. enough oldC. y

问题补充：

He is to make money to help his parents live a better life.

A. old enough

B. enough old

C. young enough

D. enough young

答案：

(答案→)A. old enough

B. enough old

C. young enough

D. enough young

解析：句意：他年龄足够帮助他的父母挣钱，过上更好的日子。enough修饰形容词放在形容词之后，故选A