Question: How do you construct a value of `Status` that is initialized to `Waiting`?

  1. `let s = Enum::new(Status::Waiting);`
  2. `let s = new Status::Waiting;`
  3. `let s = Status::Waiting;`
  4. `let s = Status::new(Waiting);`

Answer: The correct answer of the above question is Option C:`let s = Status::Waiting;`