The statement that identifies the central idea of the text is:
D. While witch hunts may feel like a rare occurrence, such incidents are not uncommon in history, especially when people are fearful or frustrated.
This statement captures a broader perspective on the phenomenon of witch hunts, suggesting that they can occur in various contexts when fear or frustration is prevalent, which aligns with the overarching themes often explored in discussions about historical witch hunts, including the Salem witch trials.