There are many places of interest in China and it has many beautiful cities. So    visitors come here every year. In winter, about      visitors come to the north of China to feel the taste of the ice and snow.

A. millions of, ten thousands

B. millions of ,ten thousand

C. ten million, millions of

把下面的长句改成几个短句，使意思表达得更为清楚。

　　羊群就像无边的地毯绣上一朵朵大花的羊群在那长满了青草、翠色欲流、线条显得那样柔美的小丘上缓缓地走动着。

答：_________________________________________________