Answer: a)Tenements
Explanation:
Tenement is a building which has numerous sections in which people occupy their space or flat.It is usually multi-story building that have division of various flats with adequate or low amount of facilitates area like crowded space,windowless rooms etc
.This building is occupied by poor people who belonged to urban society.People who are immigrants also live in these apartments.
Other options are incorrect because skyscraper buildings, central housing buildings, houses provided by government and people of country settling in accordance with political control is not the place where poor of urban place reside.Thus,the correct option is option(a).