题目内容：

一道高二英语选择题求解析
A worst earthquake occurred in Haiti in January , _ tens of thousands of people.选项A.to kill B.killing C.killed D.having killed 为什么选B而不是D 求解析 只针对这道题把这类题讲明即可 不要长篇繁冗的粘贴和语法知识