问题详情

A．Because babies are still being breastfed during the beginning 4 months.
B．Because leaving mothers too early isn"t good for babies brain and emotional development.
C．Because babies are too young to get used to the life in the day cares.
D．Because babies need to talk to their parents but not the caregivers when they are very young.请帮忙给出正确答案和分析，谢谢！