7、indteacher.“IfithadnotbeenforAnneSullivan,thenameofHelenKellerwouldhaveremainedunknown.”Butifithadnotbeenforakindanddedicatednurse,thenameofAnneSullivanwouldhaveremainedunknown.1.Whatdoestheunderlinedpart“accountfor”inParagraph1probablymean?A.show B