Which of the Following Most Likely Contributes to the High

Which of the following most likely contributes to the high level of accidents in the preschool-age group?

A) parent neglect,parent working full-time,lack of supervision
B) preschooler's high level of physical activity,curiosity,lack of judgment
C) dangerous furniture,unsafe living conditions,poor lighting
D) lack of quality day care,lack of supervision,poorly trained day-care workers