The contradiction that arose at the Constitutional Conference of

The contradiction that arose at the Constitutional Conference of 1787 was contradiction between _________.
A、big states and small states
B、industrial-commercial states and the landed states
C、one house or two houses of Congress
D、A and B
【正确答案】：D
【题目解析】：1787年制宪会议上出现的矛盾是大州和小州、工商业国家与土地国家之间的矛盾。