问题
选择题
It is the first time that Chinese astronaut Wang Yue________as one of the volunteers for the Mars-500 test project .
A．has been selected
B．had been selected
C．has selected
D．selected
答案
答案：A
考查句型：It is the first time that 后跟从句用现在完成时态，根据语境中国的宇航演员王跃被选为，所以应用现在完成时的被动语态，谓语动词用单数，选A。
