A. SQ.front=SQ.front+1; B. SQ.front=SQ.rear+1; C. SQ.front=SQ.front+1;SQ.data[SQ.front]=x; D. SQ.rear=SQ.rear+1;SQ.data[SQ.rear]=x;
A. 105 B. 108 C. 115 D. 118