【Dream digger】評論
46. According to the passage, when did the Mississippian culture reach its highest point of development?(A) About A.D. 400(B) Between A.D. 400 and A.D. 700(C) About A.D. 1200(D) In the sixteenth centuryhis complex civilization dominated the Southeast from about A.D. 700 until shortly before the Europeans began arriving in the sixteenth century. At the peak of its strength, about the year 1200, it was the most advanced culture in North America.