单选题：循环队列的队空条件为（ ）

循环队列的队空条件为（ ） @[D](2)
A. (sq.rear+1) % mazsize ==(sq.front+1) % maxsize;
B. (sq.rear+1)% maxsize ==sq.front+1
C. (sq.rear+1) % maxsize ==sq.front
D. sq.rear ==sq.front




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


答案：D