You are not a child .You should do every thing by yourselfA. no longerB. any longC. no mor

问题补充：

You are not a child .You should do every thing by yourself

A. no longer

B. any long

C. no more

D. any longer

答案：

A. no longer

B. any long

C. no more

(答案→)D. any longer

解析：这几个选项都表示不再的意思，但是在句中的位置有所不同。no more和no longer放在助动词、Be动词后、实义动词前。而not...any longer后半部分放句末。故选D。