题目内容：
根据下列材料，请回答题：
Which of the following is NOT TRUE according to the author's description of the disaster in 2094?
[ A ] The whole world becomes extremely cold.
[ B ] All the coastal cities in Africa are destroyed.
[ C ] The whole mankind becomes extinct.
[ D ] The visit of the comet results in 'wars.
参考答案：
答案解析：