问题
单项选择题
E-business is partly driven by the consumer demand side( ) which consumers use the Internet for their purchases.
A．on
B．in
C．at
D．with
答案
参考答案：B
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E-business is partly driven by the consumer demand side( ) which consumers use the Internet for their purchases.
A．on
B．in
C．at
D．with
参考答案：B