In a specific historical stage, popular slogans and slogans often have great political appeal. The following slogan is "Ten Years Against the Country" (1927

Analysis of test questions: According to the knowledge learned, during the ten-year anti-Japanese war, the * * * production party opened up a revolutionary road of armed separation of workers and peasants in the rural areas around the city, so choosing item a. B was the slogan of War of Resistance against Japanese Aggression period; Item C is the May 4th period; D is during the War of Liberation.