单选题A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.AdikeBrevetmentCcutoffDcrib
单选题
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
A
dike
B
revetment
C
cutoff
D
crib
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