问题
单项选择题
In ______, the only element that can be deleted or removed is the one that was inserted most recently.
A.a line
B.a queue
C.an array
D.a stack
答案
参考答案:D
解析: 译文的含义是:在( )中,唯一可以删除的元素是最近插入的元素。 A、B、C、D各选项的意思分别是:队伍、队列、数组、堆栈。