Which of the following ecpressions mean “电力中断”、“崩溃”? A: Power outage B: Crash down C: Cutting-edge D: Blackout

In the Fukushima nuclear accident, what was the main reason for the power outage of the whole plant () A: Not enough emergency generators B: Off-site electricity support is not timely enough C: The distribution system is flooded D: The tornado cut the wires