Answer:
The correct answer is
Explanation:
In English grammar, a preposition is defined as a word that shows the relationship between either a noun or pronoun and other words within a sentence.
Similarly, the object of a preposition refers to a noun, pronoun or noun phrase that follows a certain preposition, completing its meaning.
Since in the sentence provided "Let’s meet Naomi and Sam at ten o’clock", "at" constitute the preposition, it could be said that "ten o’clock" would constitute the object of the preposition.
