I could stay for one day or two days, ( ) staying for a week,

I could stay for one day or two days, ( ) staying for a week, it would be out of the question.
A、but as for
B、and that
C、but that
D、as to
【正确答案】：A
【题目解析】：as for 就..而言，关于，句子含义是我可以待一天或者两天，但是一周的话，是不可能的。