我国古代科举制度正式形成于( )
A:汉武帝时
B:隋文帝时
C:隋炀帝时
D:唐太宗时
小明同学对于身边物理量的大小进行了估测,下列接近实际的是( )
ZhouYang can't thank her parents ______much because without their help she _____have won the first place in the Winter Olympic Games.