Answer: C: Is not reliable.
Explanation:
The test is not reliable if a depressed person took it and has Depression but <em>the non-depressed person got the same thing, But they are not depressed</em>.
Loose. Loose means unsecure, and lose means the opposite of win.
Macbeth knows that Macduff's loyalties don't lie with him, this makes him angry and so he sends his murderers to kill Macduff's family.