According to Baltes and His Colleagues, the Most Successful Adaptation

According to Baltes and his colleagues, the most successful adaptation to declining physical and cognitive abilities in late adulthood involves ____.

A) increasing one's cognitive reserve to improve IQ scores by engaging in lifelong learning
B) using mental images in cognitive processing, increasing his or her language skills and nurturing cognitive functioning
C) habituation of one's self to new environments, dishabituating one's self to old environments and creating equilibrium in one's worldview
D) selecting valued activities, optimising performance in the remaining activities and compensating for physical and cognitive declines