The word "expertise" in line 3 could be best replaced by

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:13:47 免费下载:《单选题》Word试卷

The word "expertise" in line 3 could be best replaced by
A."experts".
B."scientists".
C."scholars".
D."special knowledge".

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