Question

— Marx looks nervous.
— So____________you if you had so fierce a competition

1. A.
   do
2. B.
   did
3. C.
   will
4. D.
   would

Answer 1

D
考查虚拟语气，if条件句用的是过去时，表示于现在相反的虚拟语气，主句是倒装句，用would，也是表示虚拟，句意是—马克思看起来紧张。--你要是有这么激烈的比赛也会紧张的。选D。