Which of the following is not a major conclusion of the US Army Corps of Engineers' report on Hurricane Katrina? A) New Orleans' hurricane-protection measures did not function as a unified system. B) Hurricane Katrina exceeded the design criteria of the flood-protection structures C) Nothing else could have been done to avert the disaster, the damage was inevitable. D) The consequences of the flooding were pervasive, and more severe than those of any previous disasters in New Orleans. Southern Louisiana is sinking faster than people had estimated before Katrina