In Order to Have Adequate Water Access,based on the World

Multiple Choice

In order to have adequate water access,based on the World Bank definition,there should be

A) Indoor plumbing in at least one-quarter of the homes in a country.
B) A private water pipe outside everyone's home.
C) A protected public water pipe within half a mile of everyone's home.
D) A public lake or stream within a mile of everyone's home.