单项选择题
A.details about the burning building B.invalids living in the burning building C.medical records of every firefighter in the city D.all of the above
A.From telephone call. B.From the Kansas computer center in the city hall. C.From radio station of the Kansas city. D.From television.
A.Medical information about all the people that live in a burning building. B.Where the burning building is located and its size, type and content. C.Health record of each of the city's nine hundred firefighters. D.The possible dangers ahead of them,