What is wrong with the following enqueue algorithm?Algorithm enqueue (queue, dataIn) allocate (new node) move dataIn to new node data set new node next to null pointer if (empty queue) set queue front to address of new data else set next pointer of rear node to address of new node end if set queue rear to address of new node increment queue count return trueend enqueue
A. It does not test if the queue is empty.
B. It does not test if the queue is full.
C. It does not display error messages.
D. The next pointer of rear node should be set to null.
Answer: B
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