The answer would be B. <span>The two types of incunabula are xylographic, and typographic. An incunabula is a book or something of the sort that was printed, not handwritten, before the year 1501.</span>
we option 2 and option 4 are just stuped ideas and in my experiance option 1 would be your best bet but if that fails (wich it shouldn't) then do option 3