thE pAssAgE tElls us thAt CAts___________.
A．slEEp longEr thAn humAns
B．hAvE similAr slEEping hABits As humAns
C．hAvE no rEgulAr slEEp
D．tAkE nAps BEsiDEs thEir rEgulAr slEEp