Answer
The letters in the queue from head to tail would be B, C, D, and E.
If a letter were removed from the queue, it would be the letter B.
Work Step by Step
The letter A is placed in an empty queue, followed by the letters B and C, in that order. Then suppose that a letter is removed from the queue and the letters D and E are inserted.
Listing the letters that would be in the queue in the order they would appear from head to tail. If a letter
is now removed from the queue, which letter will it be
The letters in the queue from head to tail would be B, C, D, and E.
If a letter were removed from the queue, it would be the letter B
