That touching toads causes warts are still one of the most widely believed super

游客2023-12-31 47

问题 That touching toads causes warts are still one of the most widely believed superstitions in America.

选项 A、has
B、have been
C、had been
D、is

答案 D

解析结构应用本句是由that引导的名词性从句作主语，表语也是单数形式，讲得又是事实，因此谓语也要用一般现在时的单数形式；D为答案。

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