I thank you too much for all your help to my son while we were away from home.A. won'tB.

问题补充：

I thank you too much for all your help to my son while we were away from home.

A. won

B. can

C. can

D. will

答案：

A. won

(答案→)B. can

C. can

D. will

解析：can ...too...为固定结构，意为“无论……也不过分；越……越好”。