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【单选题】
The factory has maintained technical assistance and parts support according to the stated policies. 工厂一直按照规定的政策保持技术援助和零件支持。
A.
The factory's policy of providing consulting remains unchanged.
B.
The factory has been maintaining technical and component support within the policy scope.
C.
: The factory's policy on providing technical and component support has change from the past.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三