A.SELECT * FROM 課程成績(jī)表 WHERE 成績(jī)>90 AND 課程號(hào) LIKE A%
B.SELECT * FROM 課程成績(jī)表 WHERE 成績(jī)>90 OR 課程號(hào) LIKE A%
C.SELECT * FROM 課程成績(jī)表 WHERE 成績(jī)>90 AND 課程號(hào) LIKE ‘A%’
D.SELECT * FROM 課程成績(jī)表 WHERE 成績(jī)>90 OR 課程號(hào) LIKE ‘A%’