Read the following context and choose the best option to answer the question.
Context: It should not have mattered because it did not matter to me , but it was one of those reactions . Those urges built in before humans took that step forward from primates . Can I blame this on evolution ? Or you ?
Question: Why does the narrator think they reacted the way they did ?
Options: 
- It was their animalistic side .
 - It was a conscious decision .
 - It was their civilized side acting out .
 - It was a well - thought out action .


It was their animalistic side .