____ new cure for this disease that medical experts have recently developed proves to be ______ most effective, although it can not pletely kill all the viruses.A.A; aB.The; /C./; theD.A; the
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B解析这题考察冠词的用法：第一空填the，特指医学专家最近开发的疾病的新疗法，第二空不填，most表示非常。选B。