A Study Presented Participants with a Variety of Pokemon Characters

A study presented participants with a variety of Pokemon characters and asked them to respond to a "target" character. Some other characters were consistently paired with either positive words or pictures or with negative words or pictures. The results of this study show that

A) attitudes cannot be formed through classical conditioning.
B) only positive attitudes can be formed through classical conditioning.
C) attitudes can be classically conditioned, but only if the participants realize that words or images have been consistently paired with objects.
D) attitudes can be classically conditioned, even if the participants do not realize that words or images have been consistently paired with objects.