A-A+
He kept his head at that critical moment; othe
问题详情
He kept his head at that critical moment; otherwise the accident______.
A．would happen
B．happened
C．would have been happened
D．would have happened
参考答案
正确答案：D
解析：此题考查虚拟语气的用法。解题关键为 otherwise，其暗含与前面相反的条件，因题干的时态为过去式，因此应选用D项，表示与过去事实相反的假设。
