以下程序段的输出结果是()。int a=1234;float b=123.456;double c=12345.54321;printf(\%2d %2.1f
以下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.1234,123.4,1234.5
请帮忙给出正确答案和分析,谢谢!