for your exams at the moment? *
Do you study
You study
Are you studying

Present Countinuos-дейстивие в данный момент(at the moment)

Объяснение:

Are you studying for your exams at the moment?

for your exams at the moment? *  

Do you study (не подходит)

You study (не подходит)

Are you studying

Значит ответ: Are you studying for your exam at the moment?

Объяснение:

Вот и все, надеюсь мой ответ станет лучшим