【单选题】Due to the shortage of space, on-campus housing is not common in big city universities. Most students commute from their home or rent an apartment near the campus.
A.
In large cities,most university students live with their families or in an apartment near their school because universities lack space for dormitories.
B.
Because of the shortage of space,on-campus housing is rare in big city universities. Most students go to school from their home or live in an apartment nearby.