单选题

If there are metal particles in the oil filter, examine the filter element for wear.

A滤油器内如有金属颗粒，应检查滤芯是否有磨损。

B滤油器内如有金属残留物，立即检查滤芯是否有磨损。

C滤油器内如有金属颗粒，应确认滤芯的磨损情况。

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正确答案：A （备注：此答案有误）

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