Final answer:
Guadalupe's cat demonstrates discrimination by responding to the sound of the electric can opener but not to the blender.
Step-by-step explanation:
The correct answer is d. Discrimination.
In this scenario, Guadalupe's cat demonstrates discrimination because it responds to the specific sound of the electric can opener but not to the sound of a blender. Discrimination is the ability to differentiate between stimuli and respond selectively to a particular stimulus while ignoring others that are similar.