An emergency bilge pumping system is provided and should be （） of the main bilge pumping system, according to the SOLAS 74 Convention.<br>A:dependent<br>B:in dependent<br>C:in series<br>D:in parallel

An emergency bilge pumping system is provided and should be （） of the main bilge pumping system, according to the SOLAS 74 Convention.
A:dependent
B:in dependent
C:in series
D:in parallel

出自：海船船员证

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