单选题
From the last sentence of this passage, we come to know that ______.
A、
technology has not prepared itself for the development of v-mail
B、
technology is not advanced enough for the development of v-mail
C、
advertisers will not show much interest in v-mail business for a while
D、
advertisers will show little interest in v-mail business for quite long
【正确答案】
D
【答案解析】
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