Researchers at Children’s Hospital of Pittsburgh announced they had discovered ______ evidence that a virus is involved in what

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问题 Researchers at Children’s Hospital of Pittsburgh announced they had discovered ______ evidence that a virus is involved in what used to be called juvenile diabetes.

选项 A、incessant
B、compelling
C、identical
D、problematic

答案B

解析 compelling强制性的,令人信服的,引人注目的;incessant不断的,不停的;identical同一的;problematic有疑问的。
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