{$mEDiAurl}
whAt AspECt oF ButtErFly DEvElopmEnt DoEs thE proFEssor mAinly DisCuss
A、thE wAy in whiCh ADults AltEr thEir liFECyClE to rEproDuCE.
B、thEir similArity to othEr holomEtABoliC CrEAturEs.
C、thEir trAnsFormAtion From CAtErpillArs into ADult imAgoEs.
D、thE Four spECiFiC phAsEs thEy ExpEriEnCE As thEy grow.