No government can justly claim authority it is based on the will of the peopleA. afterB.

问题补充：

No government can justly claim authority it is based on the will of the people．

A. after

B. unless

C. so that

D. while

答案：

A. after

(答案→)B. unless

C. so that

D. while

解析：连词辨析. A．在……之后 B．除非 C．以便 D．虽然；然而。句意：没有政府能正当的要求权利，除非它是基于人民的意志。故选B。