Identify the kind of noun in bold. 
Trina is a beautiful girl. 

Option A is the correct option. "Trina" is a proper noun. The unique name of the person, place, animal, and thing is known as a proper noun. The noun is the name of a place, animal, or thing. Every particular person, place, animal, and thing is assigned a specific name called a proper noun. For example, Nina, Taj Mahal, Leo the dog, etc. Proper nouns always start with capital letters, no matter where they fall in a sentence. ntence.