The city council of a small town needs to determine if the town's residents will support the building of a new library. The council decides to conduct a survey of a sample of the town's residents. Which one of the following procedures would be most appropriate for obtaining a sample of the town's residents?
A) Survey a random sample of persons within each neighborhood of the town.
B) Survey every 14th person who enters the old library on a given day.
C) Survey a random sample of librarians who live in the town.
D) Survey 200 individuals who are randomly selected from a list of all people living in the state in which the town is located.