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一艘2007年2月1日安放龙骨的成品油油船，其闪点小于60°，载重量为5000吨。验船对其执行法定初次检验过程中，对该轮的泵舱进行了检查；特别对泵舱底的结构状况，依据MARPOL公约附则I的相关要求认真地予以核查。对于该轮的泵舱底的结构是否要选择双层底，该验船依据MARPOL公约附则I中哪几个要求？请选择下面正确答案：（）
A.
泵舱的底板高出基线至少达下述C所要求的最小高度（例如平地船尾设计），则在泵舱处不需要双层底构造。
B.
如果泵舱进水后不会使压载水或货油的泵吸系统无法运行，则不必设置双层底。
C.
双层底舱或处所的深度应使泵舱和船舶基线之间垂直于船舶基线量取的距离h不小于以下规定的值：h=B/15（m）或h=2m，取其小者。h的最小值为1m。
D.
上述均不对，泵舱底设置双层底结构不适用本船，该要求适用于2007年1月1日及以后安放龙骨的6000载重吨及以上的油船。
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