Changing rescuers while carrying out artificial respiration should be done（）.<br>A:without losing the rhythm of respiration<br>B:only with the help of two other people<br>C:by not stopping the respiration for more than 5 minutes<br>D:at ten-minute intervals

Changing rescuers while carrying out artificial respiration should be done（）.
A:without losing the rhythm of respiration
B:only with the help of two other people
C:by not stopping the respiration for more than 5 minutes
D:at ten-minute intervals

出自：海船船员证

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