单项选择题
I certify the above（）and formally declare General Average.
A.to true B.be true C.being true D.to be true
单项选择题 For a sacrifice or expenditure to be the subject of general average contribution，there must be a danger common to（）.
单项选择题 Deviation to save（）is always justified，unless it is expressly stipulated otherwise.
单项选择题 Deviation is caused by（）.
