单选题SOLAS 74修正案要求集装箱船前部甲板上集装箱的堆积层数，应满足船首盲区不大于（）倍船长和500m中较小者。A0.5B1C1.5D2
单选题
SOLAS 74修正案要求集装箱船前部甲板上集装箱的堆积层数，应满足船首盲区不大于（）倍船长和500m中较小者。
A
0.5
B
1
C
1.5
D
2
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