-----Susan,why are you still here?They are all ready to star

-----Susan,why are you still here?They are all ready to start.-----I,m sorry,but I ------- when
选哪项,为什么?
-----Susan,why are you still here?They are all ready to start.-----I,m sorry,but I ------- when to leave A dont tell B didnt tell C wasnt told能给翻译一下吗？