根据短文内容，从短文后的选项中选出能填入下列小题横线上的最佳选项．
When will Restall was in fifth grade， he received bus safety training at school． Local bus drivers taught students about how to use the buses' two﹣ way radios， A two way radio is a radio that can both send and receive messages，___16___． And they showed the students how to use them in emergency（R 8ag） situations． Will used what he learned to help a hurt bus driver get quick medical treatment， People in his hometown now call the 11﹣year old a hero for his brave actions．
Will was taking the bus to school one morning．___17___． He had to wait 10 minutes or so before he could get off the bus．
But then he heard a loud noise and looked up to see what happened．___18___． She had passed out and fell over on the bus stairs．
Will left his seat， grabbed the two﹣way radio and reported that the driver was hurt．___19___．Soon，another bus driver and an ambulance（救护车） arrived to help．
When they got there， the bus driver was awake and sitting up， but not speaking． They sent the driver to the hospital． Will and everyone else on the bus went to class as usual．Will's brave actions attracted a lot of attention．___20___， although he didn't want to be the spotlight（公众注意的焦点），"I had to ask him，" said his father，" Tim Restal
A. Like every other student on the bus， will was playing a video game on his phone
B.A local TV station even interviewed him
C. The user can both talk and listen， it's also called walkie-talkies （对讲机）
D．He saw that the bus driver was no longer in the driver's seat
E．The radios on each bus let Will's friends hear him report the emergency
【答案与解析】
【文章大意】短文讲了Will Restall上五年级时，在坐公交车时，司机突然昏倒，他用对讲机救了司机。
16. C 【解析】细节推理题。根据前句 Local bus drivers taught students about how to use the buses' two﹣ way radios, A two way radio is a radio that can both send and receive messages，当地的公共汽车司机教学生如何使用公共汽车的双向无线电，双向无线电是一种既能发送又能接收信息的无线电，结合选项可知，应说用户可以说话也可以听，它也被称为对讲机。故选C。
17. A 【解析】细节推理题。根据后句 He had to wait 10 minutes or so before he could get off the bus．他不得不等10分钟左右才能下车。结合选项可知，应说和公车上的其他学生一样，威尔正在用手机玩电子游戏。故选A。
18. D 【解析】细节推理题。根据后句She had passed out and fell over on the bus stairs．她昏了过去，倒在公共汽车的台阶上。结合选项可知，应说他看到公共汽车司机不在驾驶座上了，故选D。
19. E 【解析】细节推理题。根据前句Will left his seat， grabbed the two﹣way radio and reported that the driver was hurt．威尔离开座位，抓起对讲机，报告司机受伤。结合选项可知，应说每辆公共汽车上的收音机让威尔的朋友们听到他报告紧急情况。故选E。
20. B 【解析】细节推理题。根据前句Will's brave actions attracted a lot of attention．威尔的勇敢行为引起了很多关注。结合选项可知，应说当地一家电视台甚至采访了他。故选B。