Answer:
Is not always directly stated
" clarinet " is an appositive in this sentence
In order to answer the question, I will need to research cloning. More specifically what does it really mean to clone something, is it as simple as taking a blood sample? I would want to research the scientific benefits of having a clone. Also, are there any legal issues. If my clone commits a crime am I liable for it? The sources that would contain much of my information would be Scientific journals. I would be able to research the question and address the answer within a reasonable timeframe.
The answer is D, the use of parallel storylines creates an air of mystery and suspense.
Hope this helps
-IronWolfX