Mark the letter A, B, C, or D to indicate the sentence is the cleft sentence.Câu hỏi Jack earns pocket money by doing the chores every day. A. It’s every day when Jack earns pocket money by doing the chores. B. It's pocket money which Jack earns by doing the chores every day. C. It's by doing the chores every day which Jack earns pocket money. D. It’s every day that Jack earns pocket money by doing the chores.