这个题看了解释后还是不是很明白,哪位牛人帮我分析一下正确答案的语法结构,我不太懂。多谢。 Emily Dickinson's letters to Susan Huntiongton Dickinson,which were written over a period beginning a few years before Susan's marriage to Emilu's brother and ending shortly before Emily's death in 1886,outnumber her letters to anyone else.