ACCORDING TO THE PASSAGE, WHICH OF THE FOLLOWINGS IS NOT TRUE

Câu 6. According to the passage, which of the followings is NOT true? A. The plant suffered a 14-metre seawall. B. The highest wave was 46 ft in height. C. The reactor 5 and 6 started overheating though they were in cold shutdown for maintenance. D. The flood with water containing radioactivity made it impossible for the machinery to be repaired.