问题补充：
I don’t believe you can do today’s job with yesterday’s methods and be in business tomorrow，?
A. do I
B. don’t I
C. can you
D. can’t you
答案：
A. do I
B. don’t I
(答案→)C. can you
D. can’t you
解析：考查反意问句，I don’t believe+从句，是否定前移的句式，反意问句要根据从句决定，也就是you can do today’s job with yesterday’s methods and be in business tomorrow前面是否定，反意问句用肯定，选C。
