单选题Which statement pertaining to log keeping is TRUE（）.AEntries relating to pre-voyage，pre-departure and daily tests are requiredBBoth A and CCAll distress，urgent and safety communications must be loggedDRoutine daily MF-HF and INMARSAT-C transmissions do not have to be logged
单选题
Which statement pertaining to log keeping is TRUE（）.
A
Entries relating to pre-voyage，pre-departure and daily tests are required
B
Both A and C
C
All distress，urgent and safety communications must be logged
D
Routine daily MF-HF and INMARSAT-C transmissions do not have to be logged
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