Which query retrieves students that are in Class 8, 9 or 10?

• aSELECT * FROM student WHERE class IN (8, 9, 10);
• bSELECT * FROM student WHERE class = 8, 9, 10;
• cSELECT * FROM student WHERE class BETWEEN 8 10;
• dSELECT * FROM student WHERE class = (8 9 10);