A、People need to advertise through mail. B、Reading junk mails is a waste of time. C、The junk mails may get the opposite effect.

M: It is raining hard, but I have to fix my computer. You know I haven’t surfed the Internet for months.
W: Three days doesn’t mean months. If I were you, I would rather read books than take risks in the rain.
Q: What does the woman mean?

M: I often receive some junk mails. And I have to abandon them every time I open my mailbox.
W: Yes, they are advertising in most cases. In fact, the more they advertise, the more they are hated.
Q: What does the woman mean?