I have sustained many injuries from the outside world . My house is n't much safer . I run into walls , i trip over toys . I once tripped over one of Brady 's toys and slammed into the doors that hide my washer and dryer .

Question: What may be the reason they have sustained many injuries from the outside world ?
Answer: They are too careful and pay too much attention to things they do .None of the above choices .They walk around with protection to make sure nothing happens .They are careless and do nt pay attention to what they are doing .