Question: The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, that is, starting from G. The

The seven elements A, B, C, D, E, F and G are pushed onto a stack in reverse order, that is, starting from G. The stack is popped fve times, and each element is inserted into a queue. Two elements are deleted from the queue and pushed back onto the stack. Now, one element is popped from the stack. The popped item is ________.

A. A

B. B

C. F

D. D. G

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