Mary Was Challenged by Her Friend,Kate,to Memorize 15 Letters,C,I,A,C,B,S,A,B,C,F,B,I,I,R,and S,in

Multiple Choice

Mary was challenged by her friend,Kate,to memorize 15 letters,C,I,A,C,B,S,A,B,C,F,B,I,I,R,and S,in the same order,within half a minute.Mary arranged these alphabets into groups: CIA,CBS,ABC,FBI,and IRS.This made it easier for her to meet Kate's challenge.In this scenario,Mary has used the tactic of

A) self-reference.
B) chunking.
C) rehearsal.
D) priming.