Question

prosperity most nearly means
a richness.
b vulgarity.
c politeness.
d belongings.

Explanation:

"Prosperity" means a state of being successful, especially in terms of wealth. "Richness" also relates to having a great deal of wealth or resources. "Vulgarity" means lack of refinement or bad taste. "Politeness" is about being courteous. "Belongings" are the things that one owns. So "richness" is the closest in meaning to "prosperity".

Answer:

A. richness