Which of the following creates the image of delicateness in the poem " in a station of the Metro? black bough

wet

faces

petals

The sentence that displays correct pronoun-antecedent agreement is C).

If we analyze the sentence deeply we get that: The students" is the subject, if we replace it by a subject pronoun it will be they. Therefore, the possessive adjective that corresponds to the subject pronoun "they" is "their" as it agrees with the pronoun (subject) in number (plural).