Answer:
hhhhhhhhhhhhhhh hhhhhhhhhhhhhhh hhhhhhhhhhhhhhh
eeeeeeeeeeere eeeeeeeeeeere eeeeeeeeeeere
The correct answer for this would be option B. Based on the given sentence above, the highlighted part of the sentence which is "<span>who had been to the mansion before," is called an appositive phrase. This is considered as an appositive phrase because it renames or describes the noun next to it. Hope this helps.</span>
May someone give your answer soon, you know why I said it in the answers, big man!