企业某年度增加值率为60%，劳动分配率为20%，那么其人工费用比率是（）。
A．10%
B．12%
C．40%
D．80%
参考答案：B
—Why didn't you go to see the film yesterday?
—Because I _____ it twice. [ ]
A. had seen
B. have seen
C. saw
D. has seen
不正当竞争
