单选题 I cannot thank you______much for your kindness, for I owe my success to you.

【正确答案】 C

【答案解析】[解析] 四个选项的意思分别是：so much for…到此为止。very much非常。too much太不像话，太过分。cannot…too much to…再……也不为过。as much同样，一样，正是如此。as much as差不多。根据句意，应该选择C。