单项选择题

From the last paragraph we can conclude that

A．siblings are not in the range of scientific research.
B．people learned management skills from family playroom.
C．spouses learned negotiation skills from their sisters and brothers.
D．studies on siblings are on their way.

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热门试题

单项选择题

Studies on siblings by scientists used to

A．be totally forgotten.
B．focus only on the sons not daughters.
C．mainly focus on the orders of the kids.
D．focus on the sibling dynamic.

单项选择题

Katherine Conger mentions Siblings are with us for the whole journey to show

A．they can provide important suggestions for us.
B．they can accompany us throughout our life.
C．they may offer us great help.
D．they plan our journey for us.