根据题目中已给出的数据的输入和输出形式,输入输出的语句的正确内容是( ) int main( ) { int x;float y; printf(“enter x,y:"); 输入语句 ; 输出语句; return 0; } 输入为:2□3.4 输出为:x+y=5.40
A.
scanf(“%d,%f”,&x,&y);printf(“\nx+y=4.2lf”,x+y);
B.
scanf(“%d%f”,&x,&y);printf(“\nx+y=%4.2lf”,x+y);
C.
scanf("%d%f", &x, &y); printf("\nx + y = %6.1f", x + y);
D.
scanf(“%d%3.1f”,&x,&y); printf(“\nx+y=%4.2f”,x+y);