In ______ fact, I don’t understand what the engineer means, but I have got_______ rough idea of his plan.

A. ＼, a　　　 B. a, the　　 C. a, ＼　 D. ＼, the

二、单项选择（本题共有10小题, 每题1分，共10分）

  In ______ fact, I don’t understand what the engineer means, but I have got_______ rough idea of his plan.

A. ＼, a       B. a, the      C. a, ＼    D. ＼, the

二、单项选择（本题共有10小题, 每题1分，共10分）
In ______ fact, I don’t understand what the engineer means, but I have got_______ rough idea of his plan.