(单选题)
To meet the ethical requirements, the participants were informed that their involvement in the study was voluntary and that their personal privacy would be treated ( ).
A.confidently
B.secretly
C.confidentially
D.proudly
参考答案:C
参考解析:
考查词汇辨析。A项:自信地、安心地;B项:秘密地、背地里;C项:秘密地,更倾向于机密;D项:傲慢地、自负地。句意:为了达到道德要求,参与者们被告知此次参与研究需是自愿的,并且他们的个人隐私会得到保密。故本题正确答案选C。
知识点:词汇辨析 英语 语法串讲 通用 英语
