题目内容
（请给出正确答案）
[主观题]
What is the main idea of the first paragraph？A．Make a comparison between tapping the consu
What is the main idea of the first paragraph？
A．Make a comparison between tapping the consumer market and business-to-business.
B．The shift of the focus of business on Web.
C．Consumer market is inferior to business-to-business.
D．Business-to-business marketing on the Internet can make more money.
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