A.甲轉(zhuǎn)讓其債權(quán)時(shí),必須書面通知乙
B.乙轉(zhuǎn)讓其債務(wù)時(shí),丙的保證依然有效
C.甲轉(zhuǎn)讓其債權(quán)后,丙應(yīng)繼續(xù)承擔(dān)保證責(zé)任
D.乙經(jīng)甲許可轉(zhuǎn)讓其債務(wù)時(shí),經(jīng)丙書面同意后,丙繼續(xù)承擔(dān)保證責(zé)任
E.合同權(quán)利義務(wù)轉(zhuǎn)讓的,丙不再承擔(dān)保證責(zé)任