题目内容:
National Emergency Library appears to be serving a need, as it
A.provides out-olprint books in a digital format. A.provides out-olprint books in a digital format.
B.provides books inaccessible in physical libraries.
B.provides books inaccessible in physical libraries.
C.makes e-books more affordable for physical libraries.
C.makes e-books more affordable for physical libraries.
D.makes enough e-books immediately accessible to all.
D.makes enough e-books immediately accessible to all.
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答案解析: