I have a soccer ball,but my brother Alan.I have a soccer ball,but my brother Alan.A.does B.doesn't C.isn't D.doesn' have选什么,为什么

I have a soccer ball,but my brother Alan.I have a soccer ball,but my brother Alan.A.does B.doesn't C.isn't D.doesn' have选什么,为什么
I have a soccer ball,but my brother Alan.
I have a soccer ball,but my brother Alan.
A.does B.doesn't C.isn't D.doesn' have
选什么,为什么

I have a soccer ball,but my brother Alan.I have a soccer ball,but my brother Alan.A.does B.doesn't C.isn't D.doesn' have选什么,为什么
B
前面是have,不是be动词,排除C
因为是but,所以前后表达的意思不一样,排除A
一般在前半句出现过某动词之后,后半句就不用写这个词了,用do／does／don't／doesn't代替就好了
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