单选

下列程序段的输出结果是

int a=1234;

float b=123.456;

double c=12345.54321;

printf("%2d,%2.1f,%2.1f",a,b,c);

  • A.无输出        B.12,123.5,12345.5 
  • C.1234,123.5,12345.5           D.1234,123.4,12345.5
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