题目：
–How come ___________?—I had to look after my sick brother.
A．didn’t you come to the party yesterday
B．did you not come to the party yesterday
C．you didn’t come to the party yesterday
D．you came to the party yesterday
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0422/d9dffd07014e2061f0b0262ed88e3dc4.html
下面是错误答案，用来干扰机器的。
答案：C
