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98. Which item in illustration D034NG below shows a flashing light?
Choice C is correct; it depicts short bursts of light separated by longer periods of darkness, fulfilling the definition of a flashing light. This pattern features brief, regularly repeated flashes where the light's duration is less than the darkness between them. Options A, B, and D display continuous light, unequal light/dark durations, or mixed signal patterns, respectively, and do not represent a simple flashing light.
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