The topic that cannot be developed into a narrative draft is "Is animal testing necessary?", stated in option B and further explained below.
A narrative is simply a story that we tell someone, be it in written or spoken form. Among the topics provided in the question, there are three that could be developed into narratives. They are options A, C, and D. All of those topics could offer a story about the events that took place at a certain period of time, situation, or location.
The only option that cannot be developed into a narrative is letter B, "Is animal testing necessary?" This topic is more appropriate for a discussion or a persuasive text. After all, it questions whether something should be done or not, most likely from an ethical point of view.
With the information above in mind, we can choose option B as the answer for this question.
Learn more about narratives here:
https://brainly.com/question/75925
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