When Preschool Children Were Shown a Picture of a Catlike

When preschool children were shown a picture of a catlike animal and an experimenter either simply labeled the animal "dog" (Group A) or said, "You're not going to believe this, but this is actually a dog" (Group B) , how likely were the children to extend the word to other catlike stimuli?

A) Both groups of children readily extended the word.
B) Both groups of children were similarly reluctant to extend the word.
C) Group A was more reluctant than Group B to extend the word.
D) Group B was more reluctant than Group A to extend the word.