You’re quite right, of course, but you needn’t have been so rude about it. A. at once time B. from time to time C. at the same time D. at timesĐoạn văn49/75You’re quite right, of course, but ____ you needn’t have been so rude about it.at once timefrom time to timeat the same timeat timesGiải thíchĐáp án: C