[A] whoever[B] what[C] whom [D] which-考呗网题库移动版

单选题
[A] whoever
[B] what
[C] whom
[D] which

参考答案B

解析:定语从句题。根据本句结构可知，空格处要求填入的单词是定语从句引导词，该定语从句修饰scientists，并且，该引导词在定语从句中作judge的宾语，[C]whom符合上述要求，故为答案。

单选题
[A] according to criteria
[B] up to standard
[C] by criteria
[D] to standard

单选题
[A] care
[B] cares
[C] concern
[D] concerns

单选题
[A] usually
[B] only
[C] simply
[D] justly