Which of the Following Statements Is True of the Information-Processing

Which of the following statements is true of the information-processing capabilities of children in the middle years?

A) Memory function in middle childhood is undeveloped and shows qualitative improvement only during early adolescence.
B) As children's knowledge of concepts advances, the storehouse of their long-term memory becomes less organized according to categories.
C) Concrete-operational children use rote learning only when someone forces them to do so.
D) Concrete-operational children can attend to multiple aspects of a problem at once, permitting them to conserve number and volume.