I can’t thank you much because without your help I have won the first prize.A. too;woul

问题补充：

I can’t thank you much because without your help I have won the first prize.

A. too;wouldn’t

B. very;shouldn’t

C. that;might not

D. so;couldn’t

答案：

(答案→)A. too;wouldn’t

B. very;shouldn’t

C. that;might not

D. so;couldn’t

解析： can’t...too...是固定用法，表示“怎么做都不过分；非常”；第二空处是虚拟语气。句意为：我太感谢你了，因为如果没有你的帮助，我是不会取得第一名的。