单项选择题

The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.

A.fish trap area
B.pipeline
C.demarcation line
D.cable area

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航海通告与警告

The broken magenta line which runs parallel to the shorebetween Roanoke Point and Mattituck Inlet marks a（）.