While being towed at a 19.5 foot draft, the DEEP DRILLER experiences single amplitude rolls of 10° with a period of 8 seconds. You should __________.

A
continue towing operations at a 19.5 foot draft
B
ballast the rig to a 60 foot draft and continue towing operations
C
ballast the rig to a 45 foot draft and check the vessel motions
D
alter course to bring the wind off the starboard beam
E