Which of the following analogical arguments is the weakest? （单选题）

A、Drivingfastislikeplayingwithfire.Therefore,donotdrivefast.;
B、BothCherylandDeniseareclassmateswhobothwearglasses.CheryllikesthemovieTheChroniclesofNarnia;Denisemustlikeittoo.;
C、CherylandDeniseareteenagesisterswhogotothesameschoolandwatchthesameTVprograms.CheryllikedtheTheChroniclesofNarnia.Therefore,DenisewilllikeTheChroniclesofNarnia,too.;
D、Bears,aseverybodyknows,aredangerous.Ifyougettooclose,youcanloseitall.Thesameholdstrueofbearmarkets.Inthepresenceofabearmarket,thethingtodoisthesameaswheninthepresenceofarealbear:Keepyourdistance!