A.a绳容易断
B.b绳容易断
C.c绳容易断
D.三种情况下绳子受力都一样
答案:C
He bought the car for more than $ 20000, his father was angry.
A.in which
B.with which
C.for which
D.on which
理性筹资者的行为特征是什么?