Your vessel is damaged with no list，but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?（）

A. KB increases，increasing BM and therefore GM
B. KG increases due to the weight of the added water on deck
C. BM decreases from loss of water plane and greater volume
D. There is no effect on transverse stability