请教一题？

bigmouse

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
answer :A 这题的语法点是什么？

littlegirl

考察as和like的用法吧

bigmouse

那有什么区别呢？

viv

the distinction of
as;  prep.;  作为，用作

bigmouse

3Q!