单选题 This archaeologist made a study of the vast area through which the Roman civilization has been propagated.
A. extended
B. terminated
C. speculated
D. restricted

【正确答案】 A

【答案解析】[解析] 划线词propagate v. “繁殖，传播，宣传”。四个选项中，A项extend“扩大面积、范围或区域；扩大……的影响”；B项terminate v. “停止，结束”；C项speculate vi. “推测，思索”；D项restricted“限制的”；选A最适合。译文：这位考古学家对这一大片曾经是罗马文明繁衍的地区做了研究。