1. [单选题]一艘“失控船”在航处于被拖带时应＿＿＿＿。
A. 显示两盏环照红灯、桅灯、舷灯与尾灯
B. 显示两于环照红灯，不对水移动时，关闭桅舷尾灯
C. 应显示舷灯与尾灯
D. 以及其他可能规定的号灯
2. [单选题]If a seaplane is not used as a means of transpiration on water but is capable of being used so，it shall ().
A. be regarded as a vessel not under command
B. be regarded as a vessel underway
C. be regarded as a vessel
D. be regarded as a sailing vessel
