Considerable efforts are required to prevent spam. During the early

Why not E ??

28. Considerable efforts are required to prevent spam. During the early days of internet, people seldom received unsolicited email advertisements. However, currently numerous bulk email software and email address finders are developed to collect email address all around the world. These email addresses are used by the Advertisers to market their products and even sell such email lists to other advertisers. As a result, almost everyone gets junk email, and sometimes several and even tens of annoying emails a day. So, relevant anti-spam regulations should be framed to stop unsolicited advertising.
The two portions in boldface play which of the following roles?
A. Background that the argument depends on and conclusion that can be drawn from the argument.
B. Part of evidence that the argument includes, and inference that can be drawn from this passage.
C. Pre-evidence that the argument depends on and part of evidence that supports the conclusion.
D. Background that argument depends on and part of evidence that supports the conclusion.
E. Pre-evidence that argument includes and a method that helps to supports that conclusion.

Oa is
The difference between choice A and B is only in front boldface. "conclusion" can be consider the same as "inference"

Read through again. The first boldface is not the background. If it were the background, it should state the situation of current time, not past.

CAn somebody please explain above?

28. Considerable efforts are required to prevent spam. During the early days of internet, people seldom received unsolicited email advertisements. However, currently numerous bulk email software and email address finders are developed to collect email address all around the world. These email addresses are used by the Advertisers to market their products and even sell such email lists to other advertisers. As a result, almost everyone gets junk email, and sometimes several and even tens of annoying emails a day. So, relevant anti-spam regulations should be framed to stop unsolicited advertising.
The two portions in boldface play which of the following roles?
A. Background that the argument depends on and conclusion that can be drawn from the argument.
B. Part of evidence that the argument includes, and inference that can be drawn from this passage.
C. Pre-evidence that the argument depends on and part of evidence that supports the conclusion.
D. Background that argument depends on and part of evidence that supports the conclusion.
E. Pre-evidence that argument includes and a method that helps to supports that conclusion.

Oa is
CAn somebody please explain above?

28. Considerable efforts are required to prevent spam. During the early days of internet, people seldom received unsolicited email advertisements. However, currently numerous bulk email software and email address finders are developed to collect email address all around the world. These email addresses are used by the Advertisers to market their products and even sell such email lists to other advertisers. As a result, almost everyone gets junk email, and sometimes several and even tens of annoying emails a day. So, relevant anti-spam regulations should be framed to stop unsolicited advertising.
The two portions in boldface play which of the following roles?
A. Background that the argument depends on and conclusion that can be drawn from the argument.
B. Part of evidence that the argument includes, and inference that can be drawn from this passage.
C. Pre-evidence that the argument depends on and part of evidence that supports the conclusion.
D. Background that argument depends on and part of evidence that supports the conclusion.
E. Pre-evidence that argument includes and a method that helps to supports that conclusion.

Oa is
CAn somebody please explain above?

28. Considerable efforts are required to prevent spam. During the early days of internet, people seldom received unsolicited email advertisements. However, currently numerous bulk email software and email address finders are developed to collect email address all around the world. These email addresses are used by the Advertisers to market their products and even sell such email lists to other advertisers. As a result, almost everyone gets junk email, and sometimes several and even tens of annoying emails a day. So, relevant anti-spam regulations should be framed to stop unsolicited advertising.
The two portions in boldface play which of the following roles?
A. Background that the argument depends on and conclusion that can be drawn from the argument.
B. Part of evidence that the argument includes, and inference that can be drawn from this passage.
C. Pre-evidence that the argument depends on and part of evidence that supports the conclusion.
D. Background that argument depends on and part of evidence that supports the conclusion.
E. Pre-evidence that argument includes and a method that helps to supports that conclusion.

Oa is
CAn somebody please explain above?

What is the source of this question?