No sooner had I come to the office the boss told me that I was fired.A. whenB. afterC. th

问题补充：

No sooner had I come to the office the boss told me that I was fired.

A. when

B. after

C. than

D. before

答案：

A. when

B. after

(答案→)C. than

D. before

解析：考查固定句型。No sooner…than…一…就…；结合句意可知C正确。句意：我一回到办公室，老板就告诉我我被解雇了。