Canadian Data Suggest That "Sandwiching" Is Not a Common Phenomenon

Canadian data suggest that "sandwiching" is not a common phenomenon because

A) care for older parents tends to occur while dependent children are still at home
B) care for older parents tends to occur after dependent children have left home
C) an increasing number of families are placing their aging parents in long-term care facilities
D) children are leaving the house sooner so that care can be provided to older parents
E) families are having less children and life expectancy for aging parents is decreasing