Since you are tired you’d better＿＿＿and have a good rest.A. stop to study B. stop study C.

问题补充：

Since you are tired, you’d better＿＿＿and have a good rest.

A. stop to study B. stop study C. stop studying

答案：

解析：非谓语动词的用法。stop to do sth指停下来去做（另一件事）；stop doing sth指停止正在做的事，根据句意“既然你累了，你最好停止学习，去好好休息一下。”选C。