[单项选择]

Information is the primary commodity in more and more industries today.
By 2005, 83% of American management personnel will be knowledge workers. Europe and Japan are not far behind.
By 2005, half of all knowledge workers (22% of the labour force) will choose "flextime, flexplace" arrangements, which allow them to work at home, communicating with the office via computer networks.
In the United States, the so-called "digital divide" seems to be disappearing. In early 2000, a poll found, that, where half of white households owned computers, so did fully 43 of African American households, and their numbers were growing rapidly. Hispanic households continued to lag behind, but their rate of computer ownership was expanding as well.
Company-owned and industry-wide television networks are bringing programming to thousands of locations. Business TV is becoming big business.
Computer competence will approach 100% in US urban area
A. By 2005 all college and school study materials will turn electronic.
B. By 2005 printed college and school study materials will be supplemented with electronic material.
C. By 2005 some college and school study materials will be accompanied by CD-ROMs.
D. By 2005 Internet links make worldwide library search a possibility.