问题补充：
the freezing wind ,they the injured man in time. They felt sorry for that.
A. Had not been for ;could reach
B. If there was not; might have reached
C. But for; might reach
D. If there hadn’t been ; could have reached
答案：
A. Had not been for ;could reach
B. If there was not; might have reached
C. But for; might reach
(答案→)D. If there hadn’t been ; could have reached
解析：考查虚拟语气。本题考查与过去事实相反的虚拟语气，故从句用had + v-ed，主句用could have + -ed。选择D。
