Yesterday, Jane walked away from the discussion. Otherwise, she ________ something she would regret later.
A.had saidB.saidC.might sayD.might have said在线课程D
解析：
从原题中Jane walked away from the discussion可得到暗示，该句相当于If Jane hadn’t walked away from the discussion，she might have said something she would regret later．这是个与过去事实相反的虚拟条件句。故D为正确答案。