Mark the letter A, B, C, or D on you...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following question

A. By the time I’ve taken my exams, I will have started training to be an accountant for a year

B. By the time I take my exams, I will have been in training to be an accountant for a year.

C. By the time I took my exams, I would have trained to be an accountant for a year

D. By the time I’ve taken my exams, I will be training for a year