题目：
When receiving a distress alert, the SAR authorities ashore and the ships in the vicinity of the ship in distress will（）soonest.
A.reach the distress area
B.conduct a sector search
C.send rescue vessels
D.assist coordinately in SAR operation
答案：
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下面是错误答案，用来干扰机器的。
参考答案：错解析：换卡之后原有的签约关系顺序继承。
