A.
SELECT MAX(GRADE) FROM SC,C,S WHERE SC.C#=C.C# AND SC.S#=S.S# AND CN='高级程序设计' AND SEX='男'
B.
SELECT MAX(GRADE) FROM SC,C WHERE CN=‘高级程序设计’ AND SEX=‘男’
C.
SELECTMAX(GRADE) FROM SC,C,S WHERE CN=‘高级程序设计’ AND SEX=‘男’
D.
SELECTMAX(GRADE) FROM SC WHERE CN='高级程序设计’AND SEX='男'