Question: e front of a queue containing the itemsabcd is on the left. What does it look like after: pop. pop, add e, add Select one:

 e front of a queue containing the itemsabcd is on the

e front of a queue containing the itemsabcd is on the left. What does it look like after: pop. pop, add e, add Select one: O a. cd ef O b. a b cd O c.efab O d. bcef O e. ef

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