【单选题】
{{B}}pAssAgE Four{{/B}}
whAt is thE sEA horsE’s prEhEnsilE tAil usED ForA、propElling it through moving CurrEnts.B、grAsping sEA grAss or CorAl to stABilizE it.C、FEnDing oFF AttACks Form prEDAtors.D、moving FooD to its mouth, likE An ElEphAnt’s trunk.