Please answer the following question: Read the following article and select the best answer. Article: This is a photo of Mr. Black's family. The man with glasses is Mr. Black, the father. The woman is the mother. They have a son and a daughter. The son is behind(....) Jack and Kate are in the same school, but they are in different grades. Jack is in Grade Three and Kate is in Grade One. They are good students. Question: Jack and Kate are _ . - not good children - good students - in different school - in China
A:
good students