It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test projectA.has been selectedB.had been selectedC.has selectedD.selected
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A解析考查句型：It is the first time that 后跟从句用现在完成时态，题中主语Chinese astronaut Wang Yue为单数，根据语境是被选为志愿者之一，所以用现在完成时的被动语态。故选A。