How does paragraph 7 relate to the earlier discussion of infantile amnesia？A．It introduces
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How does paragraph 7 relate to the earlier discussion of infantile amnesia？
A．It introduces a new theory about the causes of infantile amnesia.
B．It argues that particular theories discussed earlier in the passage require further research.
C．It explains how particular theories discussed earlier in the passage may work in combination.
D．It evaluates which of the theories discussed earlier is most likely to be true.
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