Potential subjects should be informed of the research and _______ an opportunity to decide if they want to participate。 -题库考试答案搜索网

Potential subjects should be informed of the research and _______ an opportunity to decide if they want to participate。

单选题

2021-07-24 01:27

A、gave
B、giving
C、give
D、be given

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正确答案

D

试题解析

考查动词的语态。后半句的主语是代词they，谓语动词是give，根据句意应是“他们被提供机会决定是否要参与研究”，故用被动语态。

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