设有如下说明Typedef struct{ int n; char c; double x;}STD;则以下选项中 ,能正确定义结构体数组并赋初值的语句是______。
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}};
正确答案是A