题目

元朝实行一省制，“一省”是指 A.中书省 B.门下省 C.尚书省 D.内史省 答案：A 解析: 元朝建立后，废除三省，实行一省制，只设中书省。Months ago we sailed ten thousand miles across this open sea， which ____ the Pacific， and we met no storms.A.was calledB.is calledC.had been calledD.has been called