In fact, I think D is right Judge from logical meaning: 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 caused erosion and very quickly deforested whole regions. Here we have to break the habitual thinking mode: Not only...but also is not the key; The key is the logical structure of the sentence. The former part describes advantages while the latter disadvantages. but it also=however it also Please comment! |