What does the author mean when he says "one of the fields of ashes in birkenau carries more weight than all the testimonies about birkenau"? a. the significance of the lost lives in the camps far outweighs the stories of those who survived. b. the ashes are physically heavier than the books in which the testimonies were written. c. the nazis did not truthfully testify about what really went on in the various camps. d. birkenau was the worst of all the nazi concentration and extermination camps.