B.) Antonyms
Because a synonym of withdrawn is uncommunicative
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'Finally' is the answer the others don't make sense if you try to read them with the rest of the sentence.
Current is the adjective, it describes books in the sentence.
The bill of rights is structured as a list of rights guaranteed to the people of America. This structure is effective because it keeps the focus very clearly on the rights it lays out. Hope this helps ;-)
