You ask such a question because...

Câu hỏi: You ask such a question because you didn’t pay enough attention.

A. Had it not been for your attention, you wouldn’t ask such a question.

B. Had it not been for your inattention, you wouldn’t ask such a question.

C. Had you paid enough attention, you wouldn’t have asked such a question. 

D. Had you not paid enough attention, you wouldn’t ask such a question.