A.X=Y;Y=Z;Z=X B.C=X;X=Y;Y=C C.X=Y;Y=X D.Z=Y;Y=X;Y=Z
A.Not(3<8) B.3<9)And(5>10) C.3<8)And(5<10) D.3>8)Or(5>10)
A.12 B.10 C.1 D.2