Which of the Following Is the Least Mature Mnemonic Strategy

Multiple Choice

Which of the following is the least mature mnemonic strategy?

A) Repeating the times-tables over and over again
B) Grouping to-be-remembered items into categories
C) Staring at and putting one's finger on a cup that momentarily covers the toy whose movements must be tracked
D) Linking a new, to-be-remembered item to a familiar image or story