{{B}}sEt 6BiologyCArDiAC musClE{{/B}}
why DoEs thE proFEssor sAy this:A．to CorrECt onE oF hEr prEvious stAtEmEnts
B．to mAkE surE thE stuDEnts ArE pAying AttEntion
C、to rEviEw mAtEriAl thE ClAss hAs AlrEADy stuDiED
D．to givE thE stuDEnts timE to writE Down whAt shE sAys