ButfortheleadershipofourPartyandourGovernment,we__________thesesplendidresults.
A.have achievedB.shouldn’t have achievedC.should have achievedD.would achieve在线课程B
but for 相当于without，可以用if 非真实条件句替换。有句意可知时发生在过去，与过去事实相反。