Dina,----for months to find a job as a waitress,finally took

不是吧?B选项是不是应该 having struggled?
应该用 having done,因为这里有明显的逻辑上的先后顺序.
Dina几个月来一直为了找一份侍者的工作而挣扎,最终在当地人事机构找到了一个职位
having done 是强调这个动作是发生在谓语动词之前的,先挣扎了几个月,才找到.
所以应该用having done