查询非计算机系中比计算机系中年龄最小者年龄大或相等的学生姓名,不正确的查询语句是______。
A.
SELECT Sname FROM Student S1 WHERE NOT EXISTS ( SELECT * FROM Student S2 WHERE S2.Sdept = 'CS' AND S1.Sage ) AND Sdept != 'CS';
B.
SELECT Sname FROM Student S1 WHERE EXISTS ( SELECT * FROM Student S2 WHERE S2.Sdept = 'CS' AND S1.Sage >= S2.Sage ) AND Sdept != 'CS';
C.
SELECT Sname FROM Student WHERE Sage >= ( SELECT MIN(Sage) FROM Student WHERE Sdept = 'CS' ) AND Sdept != 'CS';
D.
SELECT Sname FROM Student WHERE Sage >= SOME ( SELECT Sage FROM Student WHERE Sdept = 'CS' ) AND Sdept != 'CS';