What Is the Difference Between a General-Purpose and Single-Purpose Local

What is the difference between a general-purpose and single-purpose local government?

A) General-purpose local governments are prohibited from providing specific services, such as libraries, but single-purpose districts can provide any specific service.
B) General-purpose local governments provide a wide range of functions whereas single-purpose governments perform one function.
C) There are no substantive differences; these are just two names for the same type of government.
D) Single-purpose local governments are prohibited from providing specific services, such as libraries, but general-purpose districts can provide any specific service.