单项选择题
A.a request for assistance
B.the location of the unit at the time of the casualty
C.an estimate of the cost to repair damages
D.the amount of fuel remaining
单项选择题 The implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are)（）.
单项选择题 The disadvantage(s) of using web lashing on light vehicles aboard Ro-Ro vessels is that it（）.
单项选择题 The Charterers to have the benefit of any return insurance premium receivable by the Owners from the Underwriters by reason of the Vessel being in port for a minimum period of 30 days provided the Vessel be on hire. This indicates that return insurance premium is to be reimbursed by the Owners to（）.