Which of the following statement are true?

A、IntheclassicformofCommunityLanguageLearning,teacherasa“Knower”standsoutsideacircleofstudentsandtranslates,suggestsoramendsthestudents’utterances.;
B、Suggestopediacanhelpstudentsbecomfortableandrelaxedsothattheiraffectivefilterislowered.;
C、TotalPhysicalResponse(TPR)attemptstoteachlanguagethroughphysicalactivity.;
D、ComparedwithSuggestopedia,theSilentWayrestedonmorecognitivethanaffectivearguments.