The medical reform in that country turns out to be failure but as we know success ofte

问题补充：

The medical reform in that country turns out to be failure, but, as we know, success often comes after failure.

A. a, a

B. the, the

C. a, /

D. / , /

答案：

A. a, a

B. the, the

(答案→)C. a, /

D. / , /

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