After the following statements execute, what item is at the Back of the queue?

QueueInterface zooDelivery = new LinkedQueue<>();

zooDelivery .enqueue(lion);

zooDelivery .enqueue(tiger);

zooDelivery .enqueue(cheetah);

String next = zooDelivery .dequeue();

next = zooDelivery .dequeue();

zooDelivery .enqueue(jaguar);

A. "cheetah"

B. "jaguar"

C. "tiger"

D. "lion"