The answer is C! Goodluck :)
Well I guess the mentally challenged boy, because the mom and you can fight him off if anything goes bad.
At the most basic level, the active voice emphasizes the person or agent who performs an action, in short, the “actor.” The passive voice emphasizes the recipient of the action or sometimes the action itself.
It matters the subject or requirement. Learning can be good when you are learning something big and important and learning can be bad when learning bad habits and more. Hope this answers your question :D