问题
We may infer from the second paragraph that__ 查看材料
A:DNA technology has been widely applied to history research
B:in its early days the U.S. was confronted with delicate situations
C:historians deliberately made up some stories of Jefferson"s life
D:political compromises are easily found throughout the U.S. history
B:in its early days the U.S. was confronted with delicate situations
C:historians deliberately made up some stories of Jefferson"s life
D:political compromises are easily found throughout the U.S. history
正确答案是：
