Young children usually don't know how to keep safe(安全）in the heavy traffic(交通）.·
Chilten lean alouthe rafic nles by watclhing ollers.2.Yur hidren will iaow you anm
think its oK to do what you do.Ask your children to pay atention to the tralfic lights when you cross the sreet
with them.3.When your children are a litle older,you shouldtell them road signs(路标）and trahe
rules.Let them start to understand the reasons(原因）why they need to be so careful.4.Ask them to
follow the trafic rules.If they don't,you should tell them they are wrong.5.Never let them play
soccer or ride bikes in the street.It is very dangerous.
根据材料内容，从下面五个选项中选出能填入文中空缺处的最佳选项，使文章意思通顺、内容完整。
A.This helps them know when it's safe to cross.
|B.Ask your children to play in a safe place.
|C.So you must always set good examples(树立好榜样）.
D.Then you should tell them the importance of following the trafic rules.
|E.The following tips may be very important to you if you want to help them.
