Я знала,что сдала экзамен успешно,

Я знала,что сдала экзамен успешно, даже до того, как получила ответ

Результаты (английский) 1:

I knew that passed the exam successfully, even before landing a response

Результаты (английский) 2:

I knew I passed the exam successfully, even before received an answer

Результаты (английский) 3:

I knew,that had deposited an exam has been successfully, even before that, as well as received a response