单选题 请根据下面短文回答下面问题：

●We help people in this part of the city by:
* checking all plans (方案) before people build new houses or make changes to old ones;
* checking water pipes (管道);
* looking at any problem buildings and making sure that they are all right.
●We check 900 building plans each year.
●We look at 700 building places each month to see if things are going on well.

●The Building Service is at the City Hall, Kenton, CN1 6KJ. Telephone: 676316 or 676317
●We have office hours for people to come and talk about theft problems.

●If you do building work, please think of other people.
●Be nice to people living next door.
●If you want to talk to us about your problems, please give as many details (细节) as possible.
●If you see any building problems, please let us know right away.

●If you are not happy with us and have anything to say about the Building Service, please come, phone or write to The Planning Office, City Hall, Kenton, CN1 6KJ. Telephone: 676317

单选题 How many building places does the Building Service look at each month to see if things are going on well?

单选题 What is this text about?

单选题 What should you do if you are making changes to your house?

单选题 Which part of the text helps if you are angry about the Building Service?

单选题 "HELP US TO HELP YOU" means