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

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
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.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

C
the parents and their child ：众数
soon,：用future tense