题目内容
（请给出正确答案）
[单选题]
（情景对话）（）
A.Whether the maintenance cost is high
B.When will the man complete the program
C.How to reduce the cost
答案
A、Whether the maintenance cost is high
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
答案
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.Whether the maintenance cost is high
B.When will the man complete the program
C.How to reduce the cost
答案
A、Whether the maintenance cost is high
如果结果不匹配，请 联系老师 获取答案
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