manstein

Assume A is correct, den B is oso correct, therefore not the rite answer
. X$ Z- N: M8 b& l; fTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。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 C or D, den C cannot b lying...becuz if A is lying means tat C is correct...
1 f8 w9 k& R  [, `0 z$ etvb now,tvbnow,bttvbAssume C is correct, den A is lying, so the culprit is either A, B or D, if B is lying, means tat the culprit is himself, den if D is lying oso den the answer is B, C or D公仔箱論壇! T6 n4 R1 ^% S' h2 s9 @) W7 g! X
Assume D is correct, den the culprit is A but den in that case B n C r oso correct...公仔箱論壇1 O' Y- _- V' q: Y' l

; ~+ c8 T& r3 B. S( _' O" nTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。So the ACTUAL CULPRIT is B
. H; S1 H: _* l; p2 }tvb now,tvbnow,bttvb* g/ G( L0 S% J3 S" o% `& D