"Down with Wu, Contact Sun, Ignore Zhang" was the slogan of the National Revolutionary Army in the early days of the Northern Expedition, which showed that the operational strategy of the Northern Expedition was a strategic deployment. C

Textual research and analysis: This is the war of the National Revolutionary Army's northern expedition against the Beiyang government. The main targets of the northern expedition are Wu, Sun and Zhang warlords. The national government based in Guangdong and Guangxi adopted the strategy of "overthrowing Wu, contacting Sun and ignoring Zhang" and implemented divide and rule. Enter Hunan, occupy Pingjiang and Yueyang, and annihilate Wu's army. C meets the meaning of the question, so choose item C.

Comments: On August 26th, six regiments of the Northern Expeditionary Army launched a fierce attack on Tingsi Bridge in Hubei. Wu personally supervised the war and ordered that "those who retreat will be killed without forgiveness." Both sides have won and lost, and Tingsi Bridge has changed hands several times. On the 27th, Ye Ting Independent Regiment occupied Tingsi Bridge. After that, the two sides launched a fierce hand-to-hand combat in Heshengqiao. On August 29th, the fourth and seventh armies of the Northern Expeditionary Army won in Heshengqiao. On August 3 1 day, the army gathered at the gate of Wuchang. At the beginning of September, the Northern Expeditionary Army attacked three towns in Wuhan, and occupied Hanyang and Hankou on the 6th and 7th respectively. 10, the northern expeditionary army occupied Wuchang, and Wu led the remnants to Xinyang, Henan. At this point, the troops were basically wiped out.