问题详情

The author compares the warlike qualities of Bismarck and of Hitler in order to illustrate that
A．researchers generally prove whatever they want
B．research design and procedure may invalidate the findings
C．The Correlates of War" project is notorious for its faulty research techniques
D．the preliminary findings of The Correlates of War" project are invalid请帮忙给出正确答案和分析，谢谢！