大全226句意不明白

1.       Cooperative apartment houses have the peculiar distinction of being dwellings 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

已经看过前人的讨论，但是我对这句话的意思还是不明白，另外对于dwellings that must also operate as businesses 也不明白是什么意思  请指教  谢谢

cooperative apartment houses 指的是那种投资买的 apartment house, 买房不能随便卖掉所拥有的房子，要经过物业管理公司的同意的

dwellings that must also operate as business, dwelling 住所，房子. 如上所述，这些 cooperative apartment house 是要有商业用途的，使投资经营的一种。不同的小投资者共同投资买个 apt. house 由物业管理公司管理，利润分成。

你的意思是说：cooperative apartment houses 具有一种特性，使之既可作为dwellings又同时必须按照business来管理。是这么个意思么？

那么为什么不说：being dwellings that must also be operated as business呢？ dwelling可以做operate的主语么？

"是这么个意思么？"  -- Yes.

I guess you have to use elimination to get the right answer. 'dwelling' is the subject of 'operate as'.

还是不懂诶，为什么要用being dwelling,做何成分？

There is no answer posted out. I think A will be the best one after carefully reading and considering teh structures.

I use eliminiation: operate... like... can be safely removed from possible answers: Only A & D are left. Let's look at D: distinction to be dwellings that must operate as business.

1)"distinction to be" is not acceptable expression.

2)"to be sth that...." the "that" clause can be seen to decorate "sth", or the "distinction". It's ambiguous! However, in the expression of "distinction of being sth that", it is more clearer!  

3)Can't omit "being"! I can read it out that the author emphasiz "being" or "existing"....