 <translate> A and B can together complete a piece of work in 4 days. If A can alone can complete the same work in 12 days, in how many days can B alone complete that work?
Options:
(A) 6
(B) 5
(C) 4
(D) 3
(E) 2 Think first, then make a decision. Some random thoughts: <yor> A àti B lè jọ parí iṣẹ́ kan láàárín ọjọ́ mẹ́rin. Bí A nìkan bá lè parí iṣẹ́ kan náà ní ọjọ́ méjìlá, ọjọ́ mélòó ni B nìkan yóò fi parí iṣẹ́ náà? Àwọn àyè: (A) 6 (B) 5 (C) 4 (D) 3 (E) 2 Kọ́kọ́ ronú dáadáa kó o tó ṣèpinnu. Àwọn ìrònú tí kò bára dé: 