The green light is the light outside of Daisy's house. Which Gatsby can always see since his house is right across from hers. The green light represents Gatsby's hopes and dreams for the future.
Hypothetical evidence is based on speculation rather than on concrete facts. This is similar to a hypothesis in science.
The closest one I can see is answer D. The writer is asking you to imagine what would happen if leaders wrote their own speeches, instead of telling you what does and is known to happen when they do write their own speeches. (I hope that wasn't too confusing.)
The most common types are definitely Fiction
Great Expectations by Charles Dickens is about the personal development and growth of Pip, an orphan. Another character in the book who have entered popular culture is Miss Havisham.
The clocks that are stopped at 8:40 in Miss Havisham's house represent A. the death of her dreams when she found out her fiancé was leaving her at the altar. In pursuit of her to “freeze time,” she stopped all the clocks at 8.40 because her groom left her leaving a note which she received at 8.40. It symbolizes her hope and resentments wherein not only the time remains the same but the jewelry, wedding clothes and wedding feast were laying at the same place.