The boy is to look after himself .A. enough old B. enough youngC. old enoughD. young enou

问题补充：

The boy is to look after himself .

A. enough old

B. enough young

C. old enough

D. young enough

答案：

A. enough old

B. enough young

(答案→)C. old enough

D. young enough

解析：本题的含义为那个男孩大了足以照顾他自己，enough是副词用来修饰其他副词或形容词时应该放在被修饰词的后面，修饰名词位置不限，故本题选C。