Why Might Parents Who Work Shifts,weekends,or Irregular Hours Have Difficulty

Why might parents who work shifts,weekends,or irregular hours have difficulty with daycare?

A) Most daycare is based on a nine-to-five parental work schedule.
B) Parents want their child to sleep in his or her own bed at the regular time.
C) Not all transportation services needed to reach the centre are available at off-hours.
D) Paying for daycare at irregular hours is much more expensive.