【题目】The government ________ for three years.
A.has been in power
B.has come to power
C.as taken office
D.came into power

【答案】A
【解析】for+时间段用于现在完成时，谓语动词需要用延续性动词。come to/into power和take office均为短暂性动词短语，不和时间段连用，而be in power表状态，能和时间段连用，故选A项。