I have ______ preference for music and I know all the famous singers in _____ history.[ ]

A. /; the  

B. a; the        

C. the; /          

D. a; /

关于柯萨可夫综合征（Korsakovsyn-drome）的描述，不正确的是

A．遗忘综合征

B．近事遗忘

C．虚构和错构

D．定向障碍

E．远事遗忘