[单选题]

At 0400 your vessel is dead in the water and in heavy fog. Your loran set fixes your position at LAT 41°12.1’N，LONG 72°43.5’W. Bottom samples are taken and indicate a composition of soft mud and shell. Your fathometer reads 40 feet. If the vessel draws 9 feet of water，which of the following is TRUE?（）

A . The bottom samples and fathometer reading prove the loran fix is reliable

B . The bottom samples and fathometer readings indicate that the loran fix is unreliable

C . The information collected indicates that the fathometer may be in error

D . The information collected indicates that the chart is most likely in error

参考答案与解析：

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