Answer: alternative D.
Explanation: The animals that go through this process understand that everytime they drink the unusual-tasting liquid they will be injected, being that a very unpleasant series of events. They are conditioned, therefore, to be afraid of the unpleasantness of this process by associating pain to the actions that are part of it.
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<span>Wildlife rehabilitation is the treatment and care of injured, orphaned, or sick wild animals so that they can be released back to the <span>wild</span></span>