B. The fire happened in 1871
True, the Columbian Exchange is a term for the exchange of crops, animals and disease between the Americas and Europe and Africa. The definition of the Columbian Exchange is "the widespread transfer of animals, plants, culture, human populations, technology and ideas between the African and Afro-Eurasian hemispheres in the 15th and 16th centuries, related to European colonization and trade after Christopher Columbus' 1492 voyage."
"d. love of lifelike painting and sculpture" would be the best option in terms of ideas from the Italian Renaissance that spread to northern Europe since an emphasis was put on the body and mind.
