问题描述：
Not only the parents but also their child ( )the National Stadium the Bird's soon.
Not only the parents but also their child ( )the National Stadium the Bird's soon.
A,have visited B is going to visit c are going to visit D have been to
请问：正确答案是哪个?并说出理由.
Not only the parents but also their child ( )the National Stadium the Bird's soon.
A,have visited B is going to visit c are going to visit D have been to
请问：正确答案是哪个?并说出理由.
问题解答：
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