Both use positive sounding word and direct terms
B) alliteration . if you look up the definition of the two answers it would help you out!!!
It means c) rare
scarce means rare and copious is its synonym
vacant and occupied are antonyms of scarce meaning plentiful
hence, the double colon separating the pairs of words
I think it may be b. because you cant place it anywhere.and ate the end of the sentence does not make any sense,neither does d. so it must be b.
I think 'Including links to stories of animals being adopted' because that will give the readers a further push to do the same things themselves or recommend it to others.