日本从奴隶社会向封建社会过度的标志是 [ ]
A．大化改新
B．商鞅变法
C．遣唐使来华
D．平假名、片假名的出现
答案：A
We followed the________the car had left in the grass and found it at last.[ ]
A. signs
B. signals
C. marks
D. points
