Cloning technology can () human life by creating human organs to replace those which fail to function. ( 章节：2 难度：2)_做题室

单项选择题Cloning technology can () human life by creating human organs to replace those which fail to function. ( 章节：2 难度：2): A、adjust; B、substitute; C、extend; D、transform

正确答案：C
答案解析：
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