Lashley and Wade Contend That Animals and Humans Respond to Stimuli

Lashley and Wade contend that animals and humans respond to stimuli that differ from the training stimulus because ______.

A) they are unable to distinguish between the generalization test stimulus and the conditioning stimulus
B) they do not believe there is a difference between the test stimulus and the conditioning stimulus
C) the test stimulus and the conditioning stimulus are too dissimilar
D) none of these are correct