题目y=(e^x-1)(e^x-2)(e^x-3), 则 y'(0)= ( 选项A. 22B. -2C. 6D. -6$y=(e^x-1)(e^x-2)(e^x-3)$, 则 $y'(0)=$ ( 选项A. 22B. -2C. 6D. -6题目解答答案A. 22