Which phrase describes the author’s perspective in zlata’s diary best?

-wartime journalist
-persected victum
-unbiased observer
-nazi soldier
i know its not a or d

I believe the correct answer from the choices listed above is the third option. The phrase that describes the author's perspective in Zlata’s Diary would be that he is an unbiased observer. Zlata Filipovic becomes a witness to food shortages and the deaths of friends and learns to wait out bombardments in a neighbor’s cellar. Yet throughout she remains courageous and observant. The result is a book that has the power to move and instruct readers a world away. 

Astonishing means surprising