Which of the following can we infer from the passage?

Which of the following can we infer from the passage?

A．Everyone has his lucky day.

B．The supermarket is dishonest.

C．The supermarket might just play a trick so customers should be more cautious.

D．Wives should listen to their husbands.

C解析：本题也是一个推理题，由本实例说明商场会玩一些小把戏促销，所以消费者应该对此多加小心不上当。其他的选项说法没有足够的理由在任何情况下都成立。