What was a tenement?

O

A. A run-down part of the city where poorer people lived

O

B. An ethnic enclave within a smaller city

O

C. A large apartment building that was usually overcrowded and dirty

O

D. A building where the factory owner made his employees live

C. A large apartment building that was usually overcrowded and dirty.

Explanation:

This is the frequent meaning of the word tenement, though in Scotland and in parts of the USA it means something different.

A tenement house is usually a run-down and often overcrowded apartment house, especially in poor neighborhoods of a city.