After analyzing the steep rise in profits according to your report, it was convinced

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Mark the letter A, B, C or D on your answer sheet to show the underlined part that needs correction

After analyzing the steep rise in profits according to your report, it was convinced that your analyses were correct

it was

analyses were correct

the steep rise

according to

Giải thích

Đáp án là Sai ở A vì:

Phía trước có hiện tượng rút gọn dùng phân từ, nên cần nghĩ trước tiên đến việc hai mệnh đề phải cùng chủ ngữ.

Ở đây, It mà làm chủ ngữ cho Analyzing thì không ổn, đổi It was