 <translate> Use some thinking to answer the following question. A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 3 days. In how many days can they complete the remaining work?
Options:
(A) 4/3 days
(B) 2 days
(C) 8 days
(D) 3 days
(E) 9 days <yor> Ronú díẹ̀ kó o tó dáhùn ìbéèrè tó tẹ̀ lé e yìí. A àti B lè ṣe iṣẹ́ kan ní ọjọ́ márùn-ún àti ọjọ́ mẹ́wàá. A bẹ̀rẹ̀ iṣẹ́ náà, B sì dara pọ̀ mọ́ ọn lẹ́yìn ọjọ́ mẹ́ta. Ọjọ́ mélòó ni wọ́n lè fi parí iṣẹ́ tó kù? Àwọn àyè: (A) 4/3 ọjọ (B) Ọjọ́ méjì (C) Ọjọ mẹjọ (D) Ọjọ́ mẹ́ta (E) Ọjọ mẹsan 