Question #N1170

The sentence "The young girl, who was wearing a blue dress, giggled as she ran through the park." is an example of a sentence that contains an appositive phrase. An appositive phrase is a noun or pronoun that renames or identifies another noun or pronoun in the sentence. What is the appositive phrase in this sentence?

Which of the following is the appositive phrase in the sentence?
A. The young girl
B. who was wearing a blue dress
C. giggled as she ran through the park
D. wearing a blue dress