[单选] The new technological revolution in American newspapers has brought increased issue volume, a
A manipulation
B reproduction
C circulation
D penetration
试题难度：
参考解析：
【答案】C 【解析】circulation可表示书报的发行量，如：a newspaper with a daily circulation of 500，000．日发行量为50万份的报纸。可用于本题。manipulation“操作”；reproduction“再生产”；penetration“穿透”。此三项均不合题意。