请教两道PREP上SC题 请NN帮忙分析下！谢谢

meinaiyu

In the Louisiana Purchase of 1803, the United States acquired 828000 square miles for about four cents an acre, which more than doubled the country’s size and that brought its western border within reach of the Pacific Ocean.

A. In the Louisiana Purchase of 1803, the United States acquired 828000 square miles for about four cents an acre, which more than doubled the country’s size and that brought
B. With the Louisiana Purchase in 1803, the United States acquired 838000 square miles for about four cents an acre, more than doubling the country’s size, bringing
C. Acquiring 828000 square miles in the Louisiana Purchase of 1803, the United State bought it for about four cents an acre, more than doubling the country’s size
D. The United States, in the Louisiana Purchase of 1803, the United States bought it for about four cents an acre, more than doubling the country’s size ,bringing

选B

As well as heat and light, the Sun is the source of a continuous stream of atomic particles known as the solar wing.

A. As well as heat and light, the Sun is the source of a continuous stream
B. Besides heat and light, the Sun is also the source of a continuous stream
C. The Sun is the source not only of heat and light, but also of a continuous stream

选C     B为什么不对呢？

太不像答案的就不写出来了，麻烦谁能给分析下正确的原因呢？谢谢

sayysong

我认为 with the Louisiana Purchase 1803 做方式伴随。

meinaiyu

是错了，谢谢哈~~ 请问那个With the Louisiana Purchase in 1803 是做什么成分呢？

sayysong

#1
A which more than ... 中的which修饰acre
B doubling ..., bringing ... 做伴随，
C 分词acquiring在句首，表示持续性的一段动作，与 acquire 的意思逻辑不合
D 楼主是不是抄错了？这里 the United States bought it ... 中的 it 找不到指代对象

#2
A as well as 不放在居首。
B Beside heat and light ... 这么用的话，就与主语 sun 并列了。