B 根据下面短文回答下列问题。 miss jAnE tEAChEsEnglish in sChool. hEr stuDEnts ArE vEry smArt AnD politE. onE DAy shE wAs hAving AnEnglish ClAss. shE AskED hEr stuDEnts to rEAD AFtEr hEr, AnD wAlkED slowly, listEning to EACh oF thE stuDEnts. suDDEnly shE sAw hEr own shoEs wErE DiFFErEnt. thEy wErE not A pAir (一双). shE quiCkly wEnt to stAnD BEhinD thE Big tABlE AnD tAught hEr ClAss From thErE. whEn ClAss wAs ovEr, shE wEnt out oF thE ClAssroom quiCkly. thE nExt DAy shE CAmE to hEr ClAss.EvEryBoDy wAs rEADingEnglish. shE wAs vEry hAppy. shE wEnt to ChECk EvEry stuDEnt. to hEr surprisE (令她惊讶的是), EvEryonE wAs wEAring A pAir oF mismAtChED (搭配错的) shoEs. miss jAnE wEnt to stAnD BEhinD thE Big tABlE whEn shE sAw hEr own shoEs, BECAusE ______.A.stAnDing thErE shE CAn tEACh wEll B.shE usuAlly stAnDs thErE whEn thE stuDEnts rEAD AFtEr hEr C.hEr shoEs wErE not A pAir