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[单选题]
下面的程序运行后输出为()。 #include <stdio.h> # include <math.h> main() { int a,b; float c; b = 5;c = 6;c = b+7;b = c+1; a = sqrt((double)b+c); printf("%d,%f,%d",a+6,C,b); }
A.11.000000,12.0000000,13.000000
B.11.000000,12.000000,13
C.11.0000000,12,13
D.11,12.000000,13
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