单项选择题

设数组data[0…m]作为循环队列sq的存储空间,front为队头指针,rear为队尾指针,则执行出队操作的语句为

A.sq↑. front: =sq↑. front+1;
B.sq↑. front: =(sq↑. front+1) %maxsize;
C.sq↑. rear: =(sq↑. rear+1) %maxsize;
D.sq↑. front: =(sq↑. front+1) %(maxsize+1);