1,The information technology,______field which has developed a lot,is facing _____new challenges.
A,a,the B,the,the C,/,some D,a ,/
2,I hear that movie is pretty exciting.
It was ____exciting.I've never seen a better movie.
A,not at all B,more than C,nothing more than D,anything but
3,Excuse me ,is this seat taken?
______.That man got his books and left a few minutes ago.
A,I'm afraid so B,I don't think so C,I don't know D,I hope not
（我觉得第一题选C,第二题C,第三题C.不知道对的还错的,请说下理由.）