Who will take care of the young children when their parents are working, according to the

Who will take care of the young children when their parents are working, according to the passage？

A．The workers in community welfare department.

B．Their older brothers and sisters.

C．The nursery workers or their relatives or neighbors.

D．Their fathers or grandparents.

请帮忙给出正确答案和分析，谢谢！