问题描述：
I've never seen this kind of butterfly before.
______
A.Neither did Xiao Ming
B.So did Xiao Ming
C.So has Xiao Ming
D.Neither has Xiao Ming.
______
A.Neither did Xiao Ming
B.So did Xiao Ming
C.So has Xiao Ming
D.Neither has Xiao Ming.
问题解答：
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