问题: WhichofthefollowingisNOTmeantinthelasttwoparagraphs?
A: Grapheneismadeofgraphite,oneofthesoftestmaterialsintheworld.
B:Graphiteismadeoflayersofgrapheme,thethinnestmaterialintheworld.
C:Whenwegettothethinnestpossiblelayerofgraphite,wefindgraphene.
D:Withapencil,asheetofpaperandapieceofadhesivetape,wecanfindgraphene.