A.7 B.8 C.-7 D.-8
A.Mid$(S,2,3) B.Middle(S,2,3) C.Right$(S,2,3) D.Left$(S,2,3)
A.Int(90*Rnd+10) B.Int(91*Rnd+10) C.90*Rnd+10 D.Int(91*Rnd)