(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 busines
答案:A,請問為什麼要加being,請知道的牛牛指導一下,謝謝。
