—What         they          ?                 

—A new book. It's very interesting.[ ]

A. are; talking about                    

B. do; talk to                    

C. do; talking with                    

D. are; talking with

“自汉至唐，犹有授田之制，……盖至于今，授田之制亡矣。民自以私相贸易，而官反为之司契券而取其直。” 南宋叶适的言论揭示了

A．自汉到唐一直实行均田制

B．政府从直接分田转为立契收税

C．南宋开始出现了土地买卖

D．土地买卖税成了政府最大收入