Answer: (C) State, county, and city governments
Explanation:
The municipal bonds are basically issue by the state, city and the country government. We use the municipal bonds for various types of purposes such as money for building various schools, hospitals, highway and the sewer system.
Munis is the short abbreviation of the municipal bonds and it helps in financial way for the upcoming project. It helps in the development of the state and countries and the municipal bonds are mainly issue by the different types of government.
Therefore, Option (C) is correct.