________ Lily ________ Lucy is going with you because one of them must stay   at home.

A．Not only；but also

B．Neither；nor

C．Both；and

D．Either；or

疟疾累及大脑时的病理改变有（）

A.脑组织局灶性坏死

B.脑组织水肿

C.脑组织块状出血

D.血管内充满疟色素

E.局部神经胶质细胞增生