She doesn’t know .A. what she can do itB. what to do itC. how to doD. how to do it

问题补充：

She doesn’t know .

A. what she can do it

B. what to do it

C. how to do

D. how to do it

答案：

A. what she can do it

B. what to do it

C. how to do

(答案→)D. how to do it

解析：英语宾语从句中一般为陈述语序。What在宾语从句中一般用来代替主语或者宾语，意思是什么；how表示程度方式等，故选D，其他选项结构有误。