根据材料请回答下列各 E Argentina in the late nineteenth century was an exciting place.Around 1870,it was experiencing an economic(经济的)boom,and the captital,Buenos Aires,attracted many people.Farmers,as well as a flood of foreifners from Spain and Italy,came to Buenos Aires seeking jobs.These jobs didn′t pay well,and the people felt lonely and disappointed with their new lefe in the city.As the unhappy newcomers mixed together in the poor parts of the city,the dance known an the tango(探戈舞)came into being At the beginning the tango was a dance of the lower classes.It was danced in the bars and stheets.At that time there many fewer women the men,so if a man didn′t want to be left out,his only choice was tu dance with another man so that he could attract the attention of the few available women.Gradually,the dance spread into the upper clases of Argentinean society and became more respectable. In Europe at this time,stong interest in dance fom aroune the world was beginning The interest in international dance was especially ecedent in Paris.Every kind of dance fom ballet(芭蕾舞)to belly dancing coule be found on the stages of the Paris theaters of the Paris theaters.After tango dances from Argentina arrive in Europe,they began to draw the inrerest of the public an they perpormed their exiting dangce in cafes,Though not eceryone approved of the new dance,saying it was a little too shocking,the dance did find enough supporters to make it popular. The popularity（流行）Of the tango continued tu trow in many other parts of the world.Aoldiers who teturned to the United States from Worle War I brought the tango to North America,It reached Japan in 1926,and in 2003 the Argentinean embassy in Seoul hired a local lango dancer to act an a kind of dance ambassador,and promote tango dancing throughout South Korea. The origin of the tango is associated with A Belly dances B.American soldiers C.Spanish city D.the captital of Argentina