题目解析:
本题为词汇题。“sequentially”的意思是“继续地,从而”,词汇所在句子“As presented in the
historical chronology, Spanish sources indicate there were thirteen kings who
ruled sequentially.”的意思是“如历史年表显示,西班牙的记录显示印加帝国曾有13位国王依次当政。”
A选项secretly的意思是:秘密地。排除。
B选项one after another的意思是:一个接着另一个。意思与sequentially最为相近,故为正确答案。
C选项formerly的意思是:原来,从前。排除。
D选项in partnership with each other的意思是:互相合作。排除。