What purpose does paragraph 2 serve in the larger discussion of children's inability to recall early experiences? A. To argue that theories that are not substantiated by evidence should generally be considered unreliable B. To argue that the hypotheses mentioned in paragraph 2 have been more thoroughly researched than have the theories mentioned later in the passage C. To explain why some theories about infantile amnesia are wrong before presenting ones more likely to be true D. To explain why infantile amnesia is of great interest to researchers