フリー問題

問題文

A threatening message is said to have gone out through the organization's own mail service. What does the guidance say the header should look like, and what follows from that?

選択肢

1. It should list the systems inside the organization and leave others out, and each system on the list can be checked for matter that bears the story out.
2. It should list the systems inside the organization and leave others out, and each system on the list can be checked for matter that bears the expense out.
3. It should list the systems inside the organization and leave others in, and each system on the list can be checked for matter that bears the story out.
4. It should list the systems inside the organization and leave others in, and each system on the list can be checked for matter that bears the expense out.