题目内容：
请根据下面的短文回答题： Announcement(通知)
Good mornin9，ladies and gentlemen．May I draw your attentton(注意)to the book Safety in Fright?You williliad the book in the pocket at the back of the seat in float of you and we ask you to read it．You ’11 also fmd a news-paper and you may find it interestin9．For those of you not familiar with this kind of plane，you call smoke on theleft．hand side of the passenger cabin(机舱)，once the signs at the front of the cabin have been turned off。and at llotime in the toilet at the back of the plane．We have a duty-free(免税的)bar on the plane and cigarettes，beer and
mineral water will be on sale during the flight．If you have any questions deang the mght．please ask Our four hostesses(空姐)．Would you now please fasten(系紧)your seat belts tO get ready for take-off?We wish you a pleasantfright!Thank you．
The announcement is made ________ A．during the flight
B．before taking off
C．after taking Off
参考答案：
答案解析：