单项选择题
A.if num %2==0B.if num %2!=0C.if num //2==0D.if num //2!=0
A.if num＞0B.if num＞=0C.if num＜0D.if num＜=0
A.for element in tupleB.for element in tuple.elements（）C.for element in tuple.values（）D.for element in tuple.items（）