Goetheoftendidoutdoorskatingands

问题：

根据下列材料，请回答下面的题目
LookAfterYourVoice
Oftenspeakers,atameetingexperiencedrymouthsandaskforaglassofwater.Youcansolvetheproblembyactivatingthesalivainyourmouth.Firstgentlybitetheedgesofyourtonguewithyourteeth.Or,pressyourentiretonguetothebottomofyourmouthandholditthereuntilthesalivaflows.OryoucanimaginethatyouareSlicingabigjuicylemonandsuckingthejuice.
Beforeyoubeginyourtalk,bekindtoyourvoice,Avoidmilkorcreamydrinkswhichdryyourthroat.Keepyourthroatwetbydrinkingalittlesweetenedwarmteaordilutedfruitjuice.
Ifyousensethatyouarelosingyourvoice,stoptalkingcompletely.Inthemeantime,donoteventalkinalowvoice.Saveyourvoiceforyourhealth.Youmayfeelfoolishusingpapertowritenotes,butthebestthingyoucandoistorestyourvoice.Ifitisnecessary,perhapsyoucangetsomeadvicefromaprofessionalsinger.
Whataboutdrinkingalcoholtowetyourthroat?Iadviceyounottotouchalcoholbeforespeaking.Theproblemwithalcoholisthatonedrinkgivesyoualittleconfidence.Theseconddrinkgivesyouevenmoreconfidence.Finallyyouwillfeelall-powerfulandyouwillfeelyoucandoeverything,butinfactyourbrainandyourmouthdonotworktogetherproperly.Savethealcoholuntilafteryoufinishspeaking.
Perhapsyouwanttoaccepttheadvice,butyoumaywonderifyoucaneverchangethehabitsofalifetime.Ofcourseyoucan.Goethe,wholivedbeforeindoorskatingrinksorswimmingpools,said,"Welearntoskateinthesummerandswiminthewinter".Takethismessagetoheartandgiveyourselftimetodevelopyournewhabits.Ifyouarewillingtochange,youwillsoonbeabletosaythatyouwillneverforgetthesetechniquesbecausetheybecameapartofyourbody.
Tosolvetheproblemofdrymouths,oneisadvisedtotakecoolmilk.

A.Right
B.Wrong
C.Notmentioned

参考答案：C

参考解析：

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