根据短文内容及首字母提示，补全空格内单词,使短文完整、通顺。

     Dragon Boat Festival is an important day in C   1   . It is in May or June. During the festival, most

people e   2    rice dumplings. And t   3    are also dragon boat races(比赛) in many places. The b   4   

are long and have dragon heads. People get together to w   5    the races. They shout f   6    their

favourite team. Now y   7    people don't like to c   8    this festival, but it is important for the old

people. O   9    that day every year, students, w  10  , teachers, and many other people have a holiday

to celebrate the festival.

下列各项中，属于经营活动现金流量的是（）。

A.偿还长期借款所支付的现金

B.购买固定资产支付的现金

C.吸收投资收到的现金

D.偿还应付账款支付的现金