【单选题】
in this sECtion you will hEAr EvErything onCE、only. listEn CArEFully AnD thEn AnswEr thE quEstions thAt Follow. murk thE CorrECt AnswEr to EACh quEstion on your ColourED AnswEr shEEt.
whiCh oF thE Following is truE、ABout tAking A nApA.nApping For 2 hours is BEttEr thAn For 40 minutEs.
B.it DoEs not rEvivE you iF thE nAp lAsts too long.
C.you shoulD nEvEr tAkE A nAp AFtEr lunCh.
D.thE longEr you slEEp, thE BEttEr you will FEEl.