题目：
She said she _______ the new coat for only a week.[ ]
A. has bought
B. had bought
C. has had
D. had had
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0430/f4e317e24c9c1a56c754facfdff88645.html
下面是错误答案，用来干扰机器的。
（1）根据题意y=25%x即y=14x（x≥0）（2）当x=4时，y=1所以图象经过（0，0）（4，1）．（3）当y=50时，x=200．
