Russell Has Played Checkers at a Local Park in the Bronx

Russell has played checkers at a local park in the Bronx for years.Compared to his 10-year-old grandson,Felix,when is Russell most likely to display GREATER recall for various sets of checker positions on a board?

A) Under any kind of conditions; adults always have superior memories to children.
B) Until his grandson learns the rules of checkers; then children's memories outperform older adults'.
C) When the pieces are placed in meaningful patterns
D) When the pieces are placed in random,and sometimes nonsensical,patterns