有以下程序 void fun2 (char a,char b) {printf("%c%c",a,b);} char a='A',b='B'; void fun1(){ a='C'; b='D'; } main() { fun1(); printf("%c%c",a,b); fun2 ('E','F'); } 程序的运行结果是______。A.CDEFB.ABEFC.ABCDD.CDAB

有以下程序 void fun2 (char a,char b) {printf("%c%c",a,b);} char a='A',b='B'; void fun1(){ a='C'; b='D'; } main() { fun1(); printf("%c%c",a,b); fun2 ('E','F'); } 程序的运行结果是______。

A.CDEF

B.ABEF

C.ABCD

D.CDAB


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