单项选择题
A. 产生语法错 B. 随机值 C. A D.65
A. STD tt[2]={{1,''A'',62},{2,''B'',75}}; B. STD tt[2]={1,"A",62,2,"",75}; C. struct tt[2]={{1,''A''},{2,''B''}}; D. struct tt[2]={{1,"A",62.5},{2,"B",75.0}};