–What’s the noise ? It sounds as if it comes from upstairs.  

--______. It must be the window-cleaner working , next door.         

A．I’m not sure

B．I hope not

C．I’d rather not

D．I don’t think so

儿童癫癎中常伴有明显智力低下的是（）

A.颞叶癫癎

B.额叶癫癎

C.失神发作

D.婴儿痉挛症

E.良性癫癎伴中央颞区棘波