单选题On small sailing vessels，the PRIMARY reason for using nylon in a combination chain-nylon anchor line is to（）.Aprovide elasticityBincrease the strengthCreduce the costDreduce the weight
单选题
On small sailing vessels，the PRIMARY reason for using nylon in a combination chain-nylon anchor line is to（）.
A
provide elasticity
B
increase the strength
C
reduce the cost
D
reduce the weight
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