问题
选择题
If I had worked harder at school, I ___ in a comfortable office now.
A．would have sat
B．had sat
C．would be sitting
D．could sit
答案
答案：C
考查虚拟语气。句意：如果在校学习更努力一点，我现在应该坐在舒服的办公室里面了。结合语境可知是对将来的虚拟，结合时间词now可知虚拟的是将来某种正在发生的动作，故选C。