问题:
[单选题]More than 30,000 drivers and front seat passengers are killed or seriously injured each yearAt aspeed of only 30 miles per hour it is the same as falling from a third-floor windowWearing a seat beltsaves lives;it reduces your chance of death or serious injury more than halfTherefore drivers or front seat passengers over 14 in most vehicles must wear a seat beltIf you donot,you could be fined up to&50It will not be up to the drivers to make sure you wear your behtButit will be the drivers responsibility to make sure that children under 14 do not ride in the front unleasthey are wearing a seat belt of some kindHowever,you do not have to wear a seat belt if you are reversing your vehicle;or you are makinga local delivery or collection using a special vehicle;or if you have a valid medical certificate whichexcuses you from wearing itMake sure these circumstances apply to you before you decide not to wearyour seat beltRemember you may be taken to court for not doing so,and you may be fined if youcannot prove to the court that you have been excused from wearing it1Wearing a seat belt in a vehicle
A、reduces road accidents by more than half
B、saves lives while driving at a speed up to 30 miles per hour
C、reduces the death rate in traffic accidents
D、saves more than 15,000 lives each year