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單項(xiàng)選擇題

At 0900,you take the following radar ranges: Watch Hill Point 5.4 miles; Block Island Grace Point 8.3 miles. Which statement is TRUE? ()

A.You are within 3 nautical miles of the coast
B.The bottom in the area is sand and gravel
C.The fix is indeterminate
D.You are governed by the Inland Rules

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