单项选择题
A.Load Line Certificate
B.SOLAS Certificate
C.Stability Letter
D.Certificate of Inspection
单项选择题 To determine the number of certificated lifeboatmen required on a vessel，you should check the （）.
单项选择题 To determine the number of able seamen required on an inspected vessel，you should check the （）.
单项选择题 To determine the number of Able Seamen required on a mobile offshore drilling unit，you should check the（）.