原帖由 manstein 於 2007-11-2 05:26 PM 發表 4 a) n9 G8 O9 _$ o# f& F0 ?" ^
Assume A is correct, den B is oso correct, therefore not the rite answer6 i' X7 l, {/ d: p
Assume B is correct, den assume A is lying, den the culprit is either A or D, den if D is oso lying, den the culprit is either ...  |