He lives in a __ building,There is a ___ table in his room.

A．ten-ground, three-leg

B．ten-stories, three-legs

C．ten-storeyed; three-legged

D．ten-storeym three-leg

《通典·田制》规定的授永业田：“其永业田，亲王百顷，职事官正一品六十顷，郡王及职事官从一品各五十顷，国公若职事官正二品各四十顷……石骑尉、武骑尉各六十亩”，“丁男给永业田二十亩”。这反映出唐朝的均田制（）

A.助长了土地兼并的风气

B.以发展军事为主要目的

C.维护了农民的根本利益

D.对特权阶层存在双重性