I dont understand what the engineer means but I’ve got rough idea of project plan .A. t

问题补充：

I don understand what the engineer means , but I’ve got rough idea of project plan .

A. the; a

B. 不填；the

C. the; 不填

D. a ; the

答案：

A. the; a

B. 不填；the

C. the; 不填

D. a ; the

解析：

第一空表示泛指；第二空表示特指。