※ 引述《si4410dy (si4410dy)》之铭言：
: 110. (30399-!-item-!-188;#058&004205)
: The federal immigration station on Ellis Island, which was first opened in
: 1892, then rebuilt in 1900, processing nearly three quarters of all
: immigrants entering the United States in the first quarter of the twentieth
: century.
: (A) The federal immigration station on Ellis Island, which was first opened
: in 1892, then rebuilt in 1900, processing nearly three quarters of all
: immigrants entering the United States in the first quarter of the twentieth
: century.
: (B) Having processed nearly three quarters of all immigrants who enter the
: United States in the first quarter of the twentieth century, the federal
: immigration station on Ellis Island first opened in 1892 and then was rebuilt
: in 1900.
: (C) Processing nearly three quarters of all immigrants to enter the United
: States in the first quarter of the twentieth century, the federal immigration
: station on Ellis Island first opened in 1892, being rebuilt in 1900.
: (D) First opened in 1892, then rebuilt in 1900, the federal immigration
: station on Ellis Island processed nearly three quarters of all immigrants
: entering the United States in the first quarter of the twentieth century.
: (E) Of all immigrants to enter the United States in the first quarter of the
: twentieth century, the federal immigration station on Ellis Island processed
: nearly three quarters of them, having first opened in 1892 and rebuilt in
: 1900.
: 想问关于(A)(B)(C)fragment问题 为何opened和rebuilt无法当成主要子句的动词呢?
答案D的句子结构如下：
First Ved...., then Ved..., S+V+O
这里的opened 及 rebuilt都是句首脱节结构的被动分词, 若要当主要子句的动词
, 那最少应该要有对应的主词.
所以建议同学在看选项时一定要养成习惯, 先找到主要子句的主词动词,
在D选项主要子句的主词是the federal immigration station, 动词是processed