Amachinemusthavethemostdirectaccesspossibletotwodifferentnetworks.However，itcannotactasarouterbetweenthenetworks.Whichofthefollowingarrangementsismostappropriatetofacilitatethemachine’saccessibility？（）
A.ipforwardingturnedonandtwoadapters
B.Oneadapter，witharoutetoadefaultgateway
C.Anadapterineachnetwork，andipforwardingoff
D.Anadapterineachnetwork，witharouteonlytothedefaultgateway
参考答案：C
