Choose A, B, C, or D that best completes the sentence.
Mary lives ____ 153 Oxford Street in London. Her work office is ____ the tenth floor of a building near her house. Mary often says she prefers living ____ the countryside and working ____ the farm.
A.inside/at/on/by
B.in/from/by / in
C.at/on / in/ on
D.on / in / at / for