Work in parapsychology,______, has attracted a relatively small number of scient

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问题 Work in parapsychology,______, has attracted a relatively small number of scientists.

选项 A、is a very controversial field
B、which a very controversial field is
C、a very controversial field
D、a field very controversial which

答案 C

解析此题考查同谓语的用法，本句意为：对超心理学，一个尚有争议的领域，的研究已经吸引了有一小部分科学家。

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IssacNewton,aBritishscientist,wholivedover300yearsago,saidthathesa