C. domicile <span>does not suggest an activity I HOPE DIS HELPS YOU</span>
I'd choose dark, inaccessible, and comfortless. The other words don't really pin down the tone ("draperies"? "General"?).
The rule is that when the conjunction and is used to connect two independent clauses to create one compound sentence, there should always be a comma before and. Having this in mind, the correct answer is the first choice - The library of congress houses over 147 million items, and it is the largest library in the world.
