下面程序main( ){char *s="wbckaaakcbw";int a=0, b=0, c=0, x=0, k;for(; *s; s++)switch(*s){case .c. : c++;case .b. : b++;default : a++;case .a. : x++;}printf("a=%d,b=%d,c=%d,x=%d\n",a,b,c,x);}输出结果是
A.a=8, b=4, c=2, x=11
B.a=4, b=2, c=2, x=3
C.a=8, b=4, c=2, x=3
D.a=4, b=4, c=2, x=3
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