债务收入是国家以（）方式从国内、国外取得的借款收入。
A.法律
B.政策
C.信用
D.口头
参考答案：C
将长方形的长缩短5cm，宽增长3cm，使其变为正方形且面积比原来减少5cm2，则正方形面积为______cm2．
Excuse me, but may I ask you _____? [ ]
A. what business are you in
B. what business you're in
C. in what business are you
D. are you in what business
