<span>Nouns
are names of a person, animal, place, event, etc. It could be proper or common
noun. Common nouns are names of general items and you find them everywhere you
go. These words are not usually capitalized, except if it is the starting word
in a sentence. Proper nouns on the other hand are more specific names and they
are capitalized. When clauses substitute the noun’s role, then they are called ‘noun
clauses’. Therefore, noun clauses can be direct object or subject. To find
them, one must look for the verb first and try to ask questions with ‘who’ or ‘what’.</span>
Although Angelica was already betrothed when she met Alexander, the duo developed "a friendship of unusual ardor," Chernow wrote in his 2005 book. The author described their letters as "buoyant and flirtatious" and the dynamic between Angelica, Eliza, and Alexander a "curious ménage-a-trois."
Answer is b hope this helps