A、Companies rely on e-mail for communications.
B、More people in the world communicate by e-mail.
C、Many computer viruses contain spam e-mail.
D、More advertisers begin to promote sales through spam.
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正确答案
试题解析
推理判断题。由第二自然段中的As more and more advertisers turn to spam to sell their products, individual e-mail boxes are often flooded with spam e-mails.一句可知本题选D。
