单选题
Doctors are required to keep patients' records completely {{U}}confidential{{/U}}.
A. detailed
B. secret
C. accurate
D. confident
A
B
C
D
【正确答案】
B
【答案解析】
[解析] confidential意思是“秘密的,保密的”,与secret(秘密的)意思相近。detailed详细的;accurate精确的;confident自信的。
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