Someone Leaves a Phone Number on Your Answering Machine

Multiple Choice

Someone leaves a phone number on your answering machine.You repeat the number to yourself as you start to dial.Then,your mother asks you a question.You answer her and then turn back to the phone to complete your dialing only to realize tht you do not remember the last three digits.This illustrates how short-term memory is affected by

A) dishabituation.
B) priming.
C) chunking.
D) displacement.