A group of boys ， ten and eleven years old， walk into a classroom at Collegiate School． （1）　　The boys are curious about their new class． It is called "babies"．

    （2）　　 They are volunteers． The babies are not dolls． They are real， live babies． The boys learn how to feed，dress，wash and carry them． They even learn how to change diapers（尿片） and what to do in emergencies（紧急情况）．（3）　　Some of them ask to take it again．

    （4）　　The boys take required courses in math， English， social studies， and science． They can also choose electives（选修课） in weight lifting，photography， kite flying and computer science． Recently， the headmaster at Collegiate School decided to try something different．（5）　　In the class the boys used real babies to learn about child care．

    Where does this school get the babies？ Mother in the neighborhood near the school volunteer their babies for a few hours each week． These mothers like sharing their children with others．

A． He offered the boys a new elective． B． The boys don't have to take the class． C． Collegiate is a private boys' school in New York． D． They hear babies crying． E． Most of the boys have a good time in the class