A high school surveyed the students' participation in the club and found that among the members of the chess club, as long as they were students in the second (3) class, they must also be members of the school basketball team. From this we can infer:. ['A is a member of a chess club, and A is a basketball team member, then A is a high school student.', 'B is a member of the chess club, and B is not a member of the basketball team, then B is not a student in Grade 2.', 'C is not a member of the chess club, and C is not a member of the basketball team, then C is not a student in Grade 2.', 'D is a sophomore student and Ding is a member of the basketball team, then Ding is a member of the chess club.']