On the Great Plains, nineteenth-century settlers used mud and grass to build their homes, doing it without timbers and nails.
A settlers used mud and grass to build their homes,doing it without
B settlers used mud and grass to build their homes ,did it without
C settlers used mud and grass to build their homes ,making them while not having
D settlers used mud and grass to build their homes, making do without
E settlers' homes were built of mud and grass, making do without
为什么D是答案?谢谢
On the Great Plains, nineteenth-century settlers used mud and grass to build their homes, doing it without timbers and nails.
A settlers used mud and grass to build their homes,doing it without
B settlers used mud and grass to build their homes ,did it without
C settlers used mud and grass to build their homes ,making them while not having
D settlers used mud and grass to build their homes, making do without
E settlers' homes were built of mud and grass, making do without
为什么D是答案?谢谢
试着解释，欢迎challenge.
E 最先排除，主动改被动且没有特别理由－错；前四项的主语都是settlers，E却强调homes且没有任何支持，改变原意－又错。
AB排除， do it－必错。且B中逗号后did－过去式结构必错。
C make sth. 结构缺补语－错；while not having sth. －必错。
D简洁，make do without 在没有...的情况下
不知道可不可以这样来看，这种结构逗号后面用doing形式是修饰前面一整句的，如果直接用doing it without或did it without的话意思变成了继续在修饰settlers,所以用making do without要好一些。请指教。
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