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Nodes A, B and Care placed on a stack in the order first A, then B and finally C, if invoking pop method on this stack, which node will be popped A. Node A OB. Node B OC. Nodec OD. You need to determine which node to pop Which of the following stack operations could result in stack underflow? 0 O A is_empty B. pop oc. push OD. None of the above Give an efficient circular array-based queue Q capable of holding 10 objects. After the following code is executed: for (int k = 1; k