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Python程序设计单选题中等

下列哪一种方式可以正确地导入模块中的所有内容并使用简短的名字?

0{ "key": "A", "text": "import math, os" }
1{ "key": "B", "text": "from math import * as m" }
2{ "key": "C", "text": "import math as m" }
3{ "key": "D", "text": "from math import *" }