An upright vessel has negative GM. GM becomes positive at the angle of loll because the（）.

A.free surface effects are reduced due to pocketing

B.KG is reduced as the vessel seeks the angle of loll

C.effective beam is increased causing BM to increase

D.underwater volume of the hull is increased

进口化妆品标签按照我国有关法律、法规、标准要求进行审核；出口化妆品标签按照进口国法律/法桫标准要求进行审核。经审核符合要求的化妆品标签，由国家质检总局颁发( )。

A．《进出口化妆品标签审核证书》

B．《中国国家强制性产品认证证书》

C．《进出口商品质量许可证》

D．《出入境货物运输包装性能结果单》