The noun phrase that is explained by the appositives is:
"...then I was answered by a voice from within the tomb!"
Explanation:
As stated above about an appositive, you will discover that the appositive, "...- by a cry, at first muffled and broken,..." explains the above noun phrase. It tells the reader the type of voice it heard from the tomb. A noun phrase is known as a phrase that possesses a noun (or indefinite pronoun) and performs the same grammatical function as a noun. These noun phrases can actually function as verb subjects and objects. It can also function as a predicative expression and as the complement of prepositions.
It is C (Then Theseus called together all the people in the house, poor wretches whom Procrustes had forced to serve him, and he divided the robber's spoils among them and told them they were free to go wherever they wished)
