2 圖書館應評估能否提供讀者所需的資訊，以上說法符合 Ranganathan之 Five Law of Library Science 的那一個法則？
(A) Books are for use
(B) Every reader his book
(C) Every book its reader
(D) Save the time of the reader

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統計： A(11), B(45), C(4), D(2), E(0) #488004