The back garden is a little wildlife fun park . For years we ' ve had rabbits , toads , voles , birds and the odd raccoon living in or passing through our garden . Letting them out I heard him tear off after something .

Generate a question about the above context.
Why is the narrator worried about their garden ?
OPT:
[i] None of the above choices .
[ii] There are insects in it .
[iii] There are animals all over .
[iv] There are kids trampling through it .