下列( )不属于垄断竞争企业短期均衡的情形。
A. 盈利
B. 利润为零
C. 亏损
D. 边际成本为零
公开的串谋通常是被法律禁止的。()
A. 对
B. 错
_____________________
A. It’s over there.
B. That’s all right.
C. Sorry to hear that.
D. It’s wonderful.
_______________
A. Here you are.
B. Yes, of course.
C. It doesn’t matter.
D. Thank you.