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You know, I was pretty sure that there was the word скоро in the original post :)

скоро переходит vs скоро перейдёт

You can use perfect here but the exact time is uncertain. Скоро here can be tomorrow, someday next month or even next year. So it's better to use imperfective. Perfect means certainity while...

The answer is C) - переходит

But I'd used уходит which is not listed.