阅读下面的C语言程序，请给出正确的输出结果（ ）。#include
- A.i1=1000，i2=10，i3=21，i4=121
- B.i1=10，i2=10，i3=121，i4=121
- C.i1=1000，i2=1000，i3=21，i4=21
- D.i1=10，i2二1000，i3=121，i4=21
正确答案及解析
正确答案
解析
本题考查宏概念，以及宏替换相关的基础知识。表达式1000/s（N）宏替换后为：1000/10*10，因此结果为1000，而不是期待的10。表达式1000/f（N）宏替换后为：1000/（10*10），因此结果为10，是期待的结果。表达式f（N+1）宏替换后为：（10+1*10+1），因此结果为21，而不是期待的121。表达式g（N+1）宏替换后为：（（10+1）*（10+1）），结果为121，是期待的结果。因此，题中程序运行结果为“i1=1000，i2=10，i3=21，i4=121”。
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