选项
A.
Back in 2000, the author and his family usually went to T-ball games on weekends.
B.
The gosling was named Peeper, because he kept making a peeping noise.
C.
The family decided to set Peeper free after a year had passed.
D.
One of the reasons why Peeper came back to his first home might be that he was getting old and longed for his early home.
正确答案：C