There are several possible explanations why people cannot easily remember their early childhoods. A. Preschoolers typically do not recall events from their first year. B. Frontal lobe function of the brain may need to develop before memory retrieval can occur. C. Children recall physical activities more easily if they are verbalized. D. The opportunity to hear chronologically narrated stories may help three-year-old children produce long-lasting memories. E. The content of a memory determines the way in which it is encoded. F. The contrasting ways in which young children and adults process information may determine their relative success in remembering.