He wasted a lot of time playing football, otherwise he ________the examA.had passedB.passedC.would passD.would have passed
参考答案：
D解析考查虚拟语气。根据otherwise“否则”可知，本题是含蓄条件句，相当于if虚拟条件句。根据wasted可知，是过去的事情，对过去的虚拟，用过去完成时，主句用would have done。故选D。
