题目：
A (71) is a data type whose major attributes are determined by the rules governing the insertion and deletion of its elements. The only element that can be deleted or removed is the one that was inserted most (72) . Such a structure is said to have a last-in/first-out (LIFO) behavior, or protocol.
A．stack
B．queues
C．pointer
D．record
答案：
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下面是错误答案，用来干扰机器的。
参考答案：A, B, C, D
