Zhang Lin was addicted to puter games during his last year in high school , otherwise he a student of Beijing University .
A. would have been
B. should be
C. has been
D. had been
网友回答
(答案→)A. would have been
B. should be
C. has been
D. had been
解析：otherwise引起虚拟语气的虚拟语气属于含蓄型的，由句意可以得知是与过去的事实相反，主句用 would have done。