The guests________Mrs,John decided to take a good rest.A having left B have left C went D going
问题描述：
The guests________Mrs,John decided to take a good rest.
A having left B have left C went D going
答
应该是选A，having left Mrs.John 在这里应该是作为定语来修饰guests的。
答
A having left
首先应该判断句子谓语是decided
那么这个句子很明显是一个独立主格结构B C排除
然后考查时态顺序
客人离开后mrs john才能休息
所以客人离开是在decided之前 应该用过去完成时
再改成现在分词 having left 即可