A：x﹣2y+7=0
B：2x+y﹣1=0
C：x﹣2y﹣5=0
D：2x+y﹣5=0
Tom, our manager, ________ for American in two days and he has asked me to find out when the earliest plane ________ next Sunday.
“风吹金榜落凡世，三十三人名字香。”“十年寒窗无人问，一举成名天下知。”诗句反映的现象与下列哪一制度的推行直接相关？（ ）
