Today dollhouses are designed for both children and adults.

　　题干大意：如今玩具小屋被设计给小孩和成人。该题的关键词为“children”和“adults”，定位到文中第四段的第三句， “Besides children, todays dollhouses are also designed for the adult collectors.”，除了孩子之外，如今玩具小屋还为成人的收藏者所设计，题目与原文意思相符，故选A。