375. On an LNG tanker, during discharging why is it necessary to maintain the trim of 3m by stern during final discharging before completion of bulk discharge?

A. To ensure proper draining of ballast water from ballast tank
B. to increase boil-off of cargo while discharging
C. to ensure maximum discharge of cargo prior to warming up of cargo tanks
D. to maximize boil-off of cargo with by increased exposed surface area