Final answer:
The correct answer is a singular possessive noun.
Step-by-step explanation:
The subject of this question is English and the grade level is High School.
The correct answer for the definition of the noun in the given sentence is a singular possessive noun. The singular possessive noun in the sentence is "critics' reviews", which indicates that the reviews belong to the critics.
In contrast, a plural possessive noun would indicate that something belongs to multiple objects or people, such as "students' desks" or "teachers' books". A plural noun would simply refer to multiple objects or people, like "books" or "students".
Learn more about Parts of Speech