原帖由 manstein 於 2007-11-2 05:26 PM 發表 
. i7 |4 T! D7 a$ s5 g公仔箱論壇Assume A is correct, den B is oso correct, therefore not the rite answer" q' M- Q5 {* M- Q
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 ...  |