{{B}}pAssAgE onE quEstions 26 to 28 ArE BAsED on thE pAssAgE you hAvE just hEArD、{{/B}}

A．By thEir FunCtion.
By thEir propErtiEs.
C．By inCrEAsE oF our ExpEriEnCE.
D．By AssoCiAtion with othEr things.