being的困惑

Cooperative apartment houses have the peculiar distinction of being dwelling that must also operate as businesses.

A) of being dwellings that must also operate as businesses

B) of dwellings that must also operate like business

C) that they are dwellings that must operate like business

D) that, as dwellings, they must also operate like businesses

E) to be a dwelling that must also operate as a business

XDF 给的答案是A

巨迷惑ing~~~~恳请NN指点~~~~

不要总是拘泥于某个词的用法，考虑解题策略。

你选哪个？

我只是因为听XDF的老师讲过~~being放在名词和形容词前面往往都是多余~~~~

这里出现的一个特例~~~所以想弄清楚在这里being的作用是不是很特殊~~~

实在不好意思咧~~~是不是有点钻牛角尖咧?~~~