Identify the type of noun:

Kindness is which type of noun.

Option A is the correct answer. Any person, place, animal, or thing's name is a noun. Six categories of nouns exist. There are six types of nouns: proper, common, collective, abstract, countable, and uncountable. Nouns that can be numbered and those that cannot be counted are countable and uncountable, respectively. The word "kindness" in the given statement is an "uncountable noun".