---What do you think of French?
---In my opinion, French is _______ English.
A. a subject so difficult as B. as a subject difficult as
C. as difficult a subject as D. difficult as subject as
---What do you think of French?
---In my opinion, French is _______ English.
A. a subject so difficult as B. as a subject difficult as
C. as difficult a subject as D. difficult as subject as
C