①价值尺度 ②流通手段 ③贮藏手段 ④支付手段
A:①②
B:①③
C:②④
D:③④
1885年试制汽车成功,被成为“汽车之父”的德国人是( )
I asked two people the way to the station, but _______ of hem could help me.