问题
单项选择题
The VDR system is designed to operate（）once it is set up correctly.There is no user interaction.
A.automatically
B.accurately
C.promptly
D.conspicuously
答案
参考答案：A
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The VDR system is designed to operate（）once it is set up correctly.There is no user interaction.
A.automatically
B.accurately
C.promptly
D.conspicuously
参考答案：A