Traditionally,psychologists have been interested in development during childhood.What has changed about the focus of developmental psychology in recent decades

A)  The focus has shifted toward the prenatal period. 
B)  The focus has expanded to include adolescence. 
C)  The focus has expanded to include the whole life span. 
D)  The focus has shifted toward infancy.

Over the years, the focus of developmental psychology has broadened to include the entire lifespan, from prenatal development to old age. This shift has been driven by a growing recognition that development continues throughout adulthood, and that earlier experiences can shape later development. This broader focus has also led to new areas of research, such as the study of aging, and has prompted new questions about the ways in which development is influenced by biological, environmental, and cultural factors.