The author of the passage implies which of the following about the release of water from glacial Lake Agassiz? A. The notion that the release occurred has been challenged by more recent findings. B. The release probably occurred much earlier than scientists have generally assumed. C. The release would not have been sufficient to cause any temperature change in the North Atlantic. D. The timing of the release is such that it probably did not trigger the onset of the Younger Dryas. E. The release was probably unrelated to the global warming trend that was taking place.