Bob Is Moving and Has Been Assigned a New Phone

Multiple Choice

Bob is moving and has been assigned a new phone number. His old phone number was 469-8301, while his new phone number has been changed to 840-5327. If Bob experiences proactive interference when asked for his new phone number, you would predict he would recall:

A) only the first three digits (469) of his old phone number.
B) the seven digits 840-5327.
C) the seven digits 469-8301.
D) only the first three digits (840) of his new phone number.