问题
单项选择题
Had I run out of gas, I ought to have called the garage.
A．had
B．would have
C．would
D．should have
答案
参考答案：B
解析：结构应用。本句考察的是虚拟语气的用法：本句前面部分是表示与过去事实相反的虚拟条件从句，后面的主句谓语应用should／would／could／might+have十过去分词；因此选项B为答案。
