Which answer choice accurately characterizes Alex Keene's reaction to seeing the hangry caterpillars in his garden?
A.Keene was disappointed to see the behavior because it made him unsure about his work on the human brain.
B.Keene was thrilled to see the behavior because it made him feel more confident about his previous research.
C.Keene became worried about the caterpillars' behavior and started to focus on ways to save their habitat.
D.Keene became curious about the caterpillars' behavior and started to look for more information about it.

Question

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Direct answers aren't allowed.. Please provide the passage next time for further assistance for better understanding of textual evidence.