BY THE END OF WORLD WAR II, 179 _______ OF THE RED CROSS HAD CONDUCTED 12,750 VISITS TO POW (PRISONER OF WAR) CAMPS IN 41 COUNTRIES

47. By the end of World War II, 179 _______ of the Red Cross had conducted 12,750 visits to POW (prisoner of war) camps in 41 countries.A. conferences B. symbols C. missions D. delegates