The answer is 'b'. The phrase is mostly used when describibing your frustrations when you can't find something.
1. because he is still a little rabbit and most times adults don't listen to children.
2. because he said lots of lies before
3. they could be busy with other things
4. they have their own problems to deal with
5. because rabbits don't talk lol, ignore this last one
Beneficial means favorable or advantageous; resulting in good.
Hope this helped! Please give me a thanks! :)
