This river is seriously polluted now,but once inside it ______.      [ ]

A. there lived many fishes                        

B. lived many fishes    

C. where lived many fishes                        

D. that lived many fishes

药材穿山甲的原动物科名是（）

A.鲮鲤科

B.鲍科

C.芫青科

D.壁虎科

E.鳖蠊科