According to the Research on Children's Memory,the Imagery Strategy

According to the research on children's memory,the imagery strategy

A) is clearly the most useful mnemonic device that children can use in order to remember items.
B) can be taught to children as a mnemonic device,but it only aids working memory.
C) has not been demonstrated to be useful for children younger than 10 years of age.
D) can sometimes be used effectively as a mnemonic device for children as young as 6 years of age.