单选题How many U.S. households have linked to Internet today?AMore than 25 percent.BBy 29 percent.CMore than 42 percent.DMore than 50 percent.
单选题
How many U.S. households have linked to Internet today?
A
More than 25 percent.
B
By 29 percent.
C
More than 42 percent.
D
More than 50 percent.
参考解析
解析：
根据Excerpt 3最后一句话“Now, more than one quarter of all U.S. households can surf in cyberspace.”可知，现在，超过1/4的美国家庭可以上网。所以A项为正确答案。
根据Excerpt 3最后一句话“Now, more than one quarter of all U.S. households can surf in cyberspace.”可知，现在，超过1/4的美国家庭可以上网。所以A项为正确答案。
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