If the Current State of the Stack Is [ X

Multiple Choice

If the current state of the stack is [ x, y, z ] where x is the bottom of the stack and z is the top of the stack, what is the state of the stack and the value returned after a pop operation?

A) the state is [ x, y ]; z is returned
B) the state is [ x, y, z ]; z is returned
C) the state is [ y, z ]; x is returned
D) the state is [ x, y, z ]; x is returned