Hitler was never one to believe in things like "All races should live in peace" or "Revolution can create a classless society". Although B) is a good answer as well, it's kind of unsophisticated as an answer.
The "B) Jewish people are to blame for Germany's troubles" sentence is a point Hitler makes in his book Mein Kampf. The Main Kampf is a book written by Adolf Hitler when he was at the Landsberg Prison and this book described Adolf Hitler's experience and reason of his belief. This book was released<span> in 1925.</span>
