7. Stored in order to insert a new element in the circular queue Q process is divided into three steps: (a),

A. The queue is empty of judgment, into the new element, the moving of the pointer

B. The queue is full of judgment, the moving of the pointer, into the new element

C. The queue is empty of judgment, the moving of the pointer, into the new element

D. The queue is full of judgment, into the new element, the moving of the pointer