[单选题]1928年6月18日至7月11日，党的六大在莫斯科近郊五一村召开，关于这次大会,下列阐述不准确的一项是（ ）。
A.大会明确指出中国革命现阶段的性质是资产阶级民主革命
B.党的六大选举了向忠发为中央政治局常委及主席
C.大会确定把建立农村根据地工作放在中心地位
D.仍然把民族资产阶级看作革命的敌人

Passage Two
Only moments after announcing a policy of zero tolerance on cellphone use in the classroom, Ali Nazemi heard a ring. Nazemi, a business professor at Roanoke College in Virginia, took out a hammer and walked towards a young man. He smashed the offending device. Students’ faces turned white all over the classroom.
This episode reflects a growing challenge for American college teachers in, as the New York Times puts it, a "New Class (room) War: Teacher vs. Technology". Fortunately, the smashed-phone incident had been planned ahead of time to demonstrate teachers’ anger at inattentive students distracted by high-tech gadgets.
At age 55, Nazemi stands on the far shore of a new sort of generational divide between teacher and student. The divide separates those who want to use technology to grow smarter from those who want to use it to get dumber. Perhaps there’s a nicer way to put it. "The
A. schools have used advanced devices to enhance students’ learning
B. many students use their cellphones during class time
C. young people see the interpersonal devices as toys
D. schools’ advanced facilities are effectively used by students