閱讀下面短文，從所給選項中選出能填入空白處的最佳選項，使短文通順，結構完整，其中有一項是多余選項。
    "How do you get to school？" This question often gets an answer like "By bus"，"By car"or"I walk".But not always.There' re children in many different parts of the world who，every day，have to go on a difficult journey to get to school.They travel for kilometers on foot，or by boat，bicycle，donkey（驢） or train.They cross deserts（沙漠），mountains，rivers，snow and ice. （1）

B

B

    To get to school on time，some children in Indonesia have to cross a dangerous bridge. （2）

A

A

Then they walk many more kilometers through the forest to their school in Banten.
    （3）

F

F

He has to ride it with his friends for over an hour through a desert in the very dry area of northeast Brazil.Their school is in a tiny village.Very few people live there.
    Some children live in houses on Chetl a Road in Delhi，India. （4）

D

D

Every morning they walk along the railway to get to their school，40 minutes away.
    Why do the children do this？Do their parents make them do it？The answer，in many cases，is no. （5）

C

C

They hope to get a job and money so they can help their families and neighbors.And this is why rivers，deserts or danger won't stop them on their way to school.

A.It is ten meters above a rushing river. B.Children in many countries do this and more. C.For them，going to school means a better future. D.Their homes are near the busy and dangerous railway. E.The children like to go to school instead of staying at home. F.A 6-year-old boy Fabricio gets on his donkey to school every morning.