GWD 24一道非谓语问题

呼啸700

8. GWD28-Q8:

In the Louisiana Purchase of 1803, the United States acquired 828,000 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.

1. In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country’s size and that brought
   
   
   
2. For about four cents an acre the United States acquired, in the Louisiana Purchase of 1803, 828,000 square miles, more than doubling the country’s size and it brought
   
   
   
3. With the Louisiana Purchase in 1803, the United States acquired 828,000 square miles for about four cents an acre, more than doubling its size and bringing（答案）
   
   
   
4. The United States, in the Louisiana Purchase of 1803, for about four cents an acre, acquired 828,000 square miles, more than doubling the country’s size, bringing
   
   
   
5. Acquiring 828,000 square miles in the Louisiana Purchase of 1803, the United States bought it for about four cents an acre, more than doubling the country’s size and bringing
   C的 doubling 的逻辑主语是什么呀 NN们 帮我分析一下
   
   

mcsimon

应该是指前面的购地行为

clumsy123

doubling 的逻辑主语是the United States吧

PS：我不是NN~