脑死亡中最不利的结果是（）

A.听觉诱发电位异常

B.Ⅰ-Ⅴ波峰间潜伏期正常

C.仅有听神经产生的波Ⅰ

D.Ⅰ～Ⅲ波峰间潜伏期延长

E.Ⅳ～Ⅴ波峰间潜伏期缩短

We can’t visit the China Space Museum because the price of the ticket is too ______.[ ]

A. cheap        

B. expensive      

C. high        

D. tall