I actually believe that you in hospital now if you had worn seat belts at that time.
A. weren’t
B. had not been
C. wouldn’t have been
D. wouldn’t be
网友回答
A. weren’t
B. had not been
C. wouldn’t have been
D. wouldn’t be
解析：考查虚拟语气。本题意为：若果当时戴上安全带，现在就不会躺在医院了。对过去(at that time)的虚拟，if从句用had done,主句用would do.故D项正确。