classsuper{2.publicfloatgetNum(){return3.0f;}3.}4.5.publicclassSubextendsSuper{6.7.}Whichmethod,plac

A.PublicfloatgetNum（）{return4.0f；}

B.PublicvoidgetNum（）{}

C.PublicvoidgetNum（doubled）{}

D.PublicdoublegetNum（floatd）{retrun4.0f；}