{$mEDiAurl} how DoEs thE proFEssor introDuCE thE lECturE topiC
A、By listing thE top proDuCErs oF mAplE syrup.
B、By CorrECting A Common misConCEption ABout mAplE syrup.
C、By rEminDing thE stuDEnts oF thE topiC From lAst ClAss.
D、By Asking thE stuDEnts to DEFinE A rElAtED tErm.