阅读短文，从选项中选出能填入文中空白处的最佳选项;每个选项仅用一次,其中有一项为多余选项。
Do you know which social app Chinese young people use a lot now? ___39___ Some users use Tik Tok (抖音) and Kuaishou. They think it is fun to share short videos about their lives, while others have other purposes as well.
A l2-year- old user named Elsa has about 2.7 million fans on Tik Tok. The girl has shared videos about her dancing studies since last July.___40___ "I feel really glad to share happiness with people by short videos," said Elsa.
As some videos are about the latest news a group of users depend on them to get information. To some other users, they have a different purpose. "Because I can't spend many hours watching a whole video and I'm not a very patient person,___41___ I prefer to watch short videos of wonderful parts in programs," said Wang Zhihao.
___42___ "Killing time is the main reason for me to watch the short videos, but many are almost the same, so I think it is a waste of time. What's more, I really don't like the videos which show strange even dangerous things," said Wen Nan, another college student.
Recently, something else has happened. Some videos are telling people what products are worth buying.___43___ So they should think twice. Some short videos even sell bad products, but these sellers won't let you get your money back.
A. I don't like waiting for a program to end.
B. "Short videos" are certainly the most popular.
C. But after they buy the products, they may regret soon.
D. One of the videos won her about one million fans.
E. I can make money with short videos.
F. However, some young Chinese fel bored with some short videos.
【答案】39. B    40. D    41. A    42. F    43. C