Bedlam: the Hospital of St. Mary of Bethlehem, founded as a priory in 1247; by 1402, it was a hospital or asylum for lunatics; by extension, any madhouse (1663); hence, any scene of mad confusion (1667). Sovereign: a gold coin originally worth 22s.
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>
Not combined with other word parts
