单选题When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.Areduce the time the sounding tube is openBavoid creating a sparkClessen the effect of roll or pitch on the readingDlessen the effect of heave on the reading
单选题
When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.
A
reduce the time the sounding tube is open
B
avoid creating a spark
C
lessen the effect of roll or pitch on the reading
D
lessen the effect of heave on the reading
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