Which of the following， if true， would most strongly indicate that the hypothesis described in the last sentence of the passage is not correct？

　　（A） In some of the areas where red tides occur， neither clams nor sea otters are indigenous species.

　　（B） The presence of sea otters in a given areas has a significant effect on which other marine organisms are to be found in that area.

　　（C） When seawater in an area unaffected by red tide is artificially dyed brownish red， sea otters do not feed on the clams in that area.

　　（D） If the clams in a given area are contaminated with toxins， sea otters move to other areas in search of food.

　　（E） Although very small amounts of the toxin produced during a red tide are not harmful， large doses can be fatal to animals the size of sea otters.

　　10. Since 1945 there have been numerous international confrontations as tense as those that precipitated the Second World War， and yet no large-scale conflict has resulted. To explain this， some argue that fear of enomous destruction such as the Second World War produced has had a dramatic deterrent effect.

　　Which of the following .if true， most seriously weakens the deterrent theory mentioned above？

　　（A） After the First World War， the fear of great future destruction was as intense as it was after the Second World War.

　　（B） Psychologists have detemined that fear of retaliation tends to temper aggressiveness among human beings.

　　（C） The Second World War was far less destractive than most people gen- erally believe.

　　（D） Fear of repeating the levels of destructions that the Second World War produced is as pervasive today as it was forty years age.

　　（E）Many of the international confrontations that have occurred since 1945 have involved countries that participated in the Second World War.