要求你判断三组短文中哪一个的语法和拼写都是正确的。如果没有一个是正确的，请在输出中指出错误并提供修正建议。


A. He was barking up the wrong tree.
B. Their going to the store, to the park, and then to the movies.
C. She has too go too the meeting.
句子A的语法和拼写都正确。

句子B的错误在于使用了"their"代替了"they're"，建议修正为"They're going to the store, to the park, and then to the movies."

句子C的错误在于拼写错误和用词不当。正确写法应该是"She has to go to the meeting."