社会行政的基本职能是（）

A、实施社会政策促进向有需要的人群传送福利资源

B、满足弱势群体的需要

C、发展（制定）机构的政策、计划，去实现机构的既定目标

D、使机构的行为尽量完美的促进服务效果与效率

They ran out of _______ houses but did not know _______.[ ]

A. theirs; where to go

B. their; where to go

C. their; they go where

D. their; where to go to