题目：Melinda and Helen are talking about , a piece of office equipment. Actually, it has to do with pigeons, and it is used to store in a systematic way. Each pigeon hole is a that is clearly . When the papers are in current use, they can be to the long-term . ★pigeon hole: a small open space in a desk, cabinet, or wall for keeping letters or papers.
A. ["pigeon holes","pigeon nest"]
B. ["nothing","anything"]
C. ["files","birds"]
D. ["folder","holder"]
E. ["laid","named"]
F. ["no wonder","no longer"]
G. ["removed","reviewed"]
H. ["stories","storage"]
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