单项选择题
A.A vessel engaged in laying，servicing or picking up a navigation mark，submarine cable or pipeline
B.A vessel engaged in dredging，surveying or underwater operations
C.A vessel engaged in replenishment or transferring persons，provisions or cargo while underway
D.A power driven vessel which because of her draught in relation to the available depth and width of navigation water is severely restricted in her ability to deviate from the course she is following
单项选择题 （）can be regarded as a vessel restricted in her ability to maneuver．
单项选择题 The certificate of a Lloyd’s surveyor（）likely to be accepted by the court as conclusive to show that the carrier has exercised due diligence when it relates to a case in which he has built or bought a vessel in the first instance．
单项选择题 Upon underwater detection，there were no apparent defects on the bottom plates，bilge keels，rudder and propeller of the said vessel.This kind of wording usually appeared on（）.