Your vessel is constrained by her draft and operating in a narrow channel. Another vessels crossing your course from starboard to port. You are in doubt as to her intention. According to rule 9, you _________.
发布于 2021-04-04 10:06:15
【单选题】 A should sound one short blast to indicate that you are holding course and speed B must sound one prolonged blast C may sound the warning signal D are required to back down
