38.“Obstruction or danger to navigation the exact nature of which is not specified or has not been determined, depth unknown” - it will be marked in the chart by:
(A)5f1e41b71fcbd.jpg
(B)5f1e41c7b039c.jpg
(C)5f1e41d8c3c02.jpg
(D)5f1e41ea33e63.jpg

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統計： A(27), B(2), C(6), D(12), E(0) #2401074