大家好
我在写一题听力时不太了解要怎么选
希望大家可以给我一个方向
Speaker:Can you authorize this for me?It's Jack's expense account.
a.No, he wrote it himself.
b.Of course I will.
c.You don't have the authority.
请问答案问什么是c? 我认为如果改成I don't have the authority(to do so).才会对
至于答案我选b 是因为助动词不一致吗？
谢谢