Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also caused erosion and very quickly deforested whole regions.

1. Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also

2. Not only did the systematic clearing of forests in the United States create farmland (especially in the Northeast), which gave consumers relatively inexpensive houses and furniture, but also

3. The systematic clearing of forests in the United States, creating farmland (especially in the Northeast) and giving consumers relatively inexpensive houses and furniture, but also

4. The systematic clearing of forests in the United States created farmland (especially in the Northeast) and gave consumers relatively inexpensive houses and furniture, but it also

5. The systematic clearing of forests in the United States not only created farmland (especially in the Northeast), giving consumers relatively inexpensive houses and furniture, but it

答案是B   不过我觉得语法上which 在这里指代farmland, 但是farmland gave consumers....逻辑不对,农地怎么可能给呢?

应该是giving修饰前面整句才对呀,我觉得D比较好,其实不是NOT ONLY...BUT ALSO对称, created和gave 也对称

NN解答一下

没有见到完整的答案选项。如果选项B就是你以上所写出来的，我觉得答案不应该是 B，因为systematic clearing of forests 导致的结果有creat farmland, gave houses and furniture, cause erosion, and deforest whole regions.

B 肯定不对。