Xiao Niu traveled to a country and saw that many people in this country were keen on dancing samba and playing football. 34% of the people lived in cities, and the plains and plateaus were vast.

Brazilian people love to dance samba. Samba perfectly integrates Portuguese folk songs and games with African drumming and dance; agriculture is an important basic sector of Brazil's national economy. The production and export of coffee, cane sugar, citrus, and cocoa ranks first in the world. Football is the favorite sport of Brazilians; in addition, Brazil’s terrain is mainly plains and plateaus; the Amazon plain in Brazil is the largest tropical rainforest area in the world; Brazil is dominated by whites and mixed races; the story is ongoing The country described is Brazil.

So choose: C.