现有《73/78防污公约》附则Ⅴ规定，（）总吨及以上的船舶应配备垃圾管理计划？
A.150
B.300
C.400
D.500
参考答案：C
_____ did you do? Here are some answers. [ ]
A. What
B. When
C. Where
D. How
“三通一标”
