原帖由 manstein 於 2007-11-2 05:26 PM 發表 
7 K& p6 C7 F% D0 r5 x% QAssume A is correct, den B is oso correct, therefore not the rite answer2 ]7 b. l' e3 s+ A( [. H
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 ...  |