H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.A. UntilB. While

发布时间：2020-08-17 03:10:10

    H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.
A. Until
B. While
C. If
D. Since

网友回答

A. Until
(答案→)B. While
C. If
D. Since
解析：考查连词：A. Until直到B. While虽然C. If如果D. Since自从，句意：虽然H7N9是致命的病毒，吃完全烧熟的鸡肉还是安全的，选B。
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