Answer:
Nagaina, because she threatens the others
Explanation: I got it right
The antagonist in this excerpt is B. Nagaina, because she threatens the others.
This refers to the character in a story that opposes the protagonist and is effectively the villain and torments others.
Hence, we can see that from the given text, we can see the use of narration to explain the interaction between Rikki-Tikki and others such as Nagaina, Teddy, etc and Nagaina is the antagonist because she threatens the others.
Read more about antagonists here:
https://brainly.com/question/3721706
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