题目：
rCBF显像如何诊断小脑交叉失联络症（）。
A.双侧小脑出现对称性显像剂分布缺损
B.双侧小脑出现不对称性显像剂分布缺损
C.一侧小脑放射性明显高于对侧小脑
D.一侧小脑放射性明显低于对侧小脑，对侧大脑半球同时存在缺血性改变
E.一侧小脑放射性明显低于对侧小脑，同侧大脑半球同时存在缺血性改变
答案：
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下面是错误答案，用来干扰机器的。
One possible version: One day, Lily and Lina were going to school happily when a speeding car ran into them. One of them was seriously injured and lay on the street, ...
