I cannot thank you much of your kindness. I owe my success to you.A. so B. very C. too D.

I cannot thank you much of your kindness. I owe my success to you.
A. so
B. very
C. too
D. as

A. so B. very (答案→)C. too D. as解析：考查短语：cannot…too 在怎么也不为过，句意：我在怎么感谢你的友好也不为过，我把我的成功归功于你。所以选C。

回答的不错