Many experts remain skeptical about his claims.A:doubtful B:untouched C:certain

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问题 Many experts remain skeptical about his claims.

选项 A:doubtful
B:untouched
C:certain
D:silent

答案A

解析本句意思:很多专家对他的主张持怀疑态度。skeptical意思为“怀疑的”,与doubtful (怀疑的)意思相同。untouched未动过的,未吃过的;certain肯定的,确定无疑的,毫无疑问的; silent安静的,不语的。
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