I believe the correct is the third option. It is important to preview sources before using them in your research because it reveals deeper concepts. Reading deeply the sources would allow you to have a deeper understanding of the sources and determine which parts of the sources are useful to your research.
It's simile. It compares the dog to a bulldozer to make it more dramatic.
Here is the short paragraph how everything went at that time. Lewinsky was a graduate of Lewis & Clark College. She was hired during Clinton's first term in 1995 as an intern at the White House and was later an employee of the White House Office of Legislative Affairs. Some believe that Clinton began a personal relationship with her while she worked at the White House, the details of which she later confided to Linda Tripp, her Defense Department co-worker who secretly recorded their telephone conversations. To rewrite these sentences, you may contact the experts at PrimeWritings who can do it for you.
2.resolution aka the ending
Jin Wang
Chin-Kee/The Monkey King
Wei-Chen Sun