Answer:
The correct answer is A: emotion
Step-by-step explanation:
In this passage, the speaker uses emotion to describe what happened with his kitten, called Butterscotch. This type of rhetorical appeal is called pathos and it is based on the audience's emotions.
The speaker tries to appeal to the audience to vaccinate their pets, in order to save their lives from lethal and contagious diseases. Therefore, he tells a sad story about his kitten and highlights the importance of the vaccination.