Answer:
A.
Explanation:
For example if you change from outfit to outfit that is called a transition so same into relations with the speech.
Napalm bombs generate carbon monoxide while simultaneously removing oxygen from the air. The air in the bombing area can be 20 percent or more carbon monoxide [source: GlobalSecurity.org]. This effect occurs because napalm partially combusts the oxygen in the air, turning CO2 (carbon dioxide) into CO (carbon monoxide).
However if you want a more clear answer I need a image of the passage.
To make them seem more efficient.
<span>D. There are at least three aspects of Hamlet of interest to a student of human emotions: his grief, his infatuation, and his madness.
The </span><span>parallel structures are
</span>his grief / his infatuation / his madness
4. hints more at the subject going to many future places "everywhere you may go" - he is expected to go "everywhere". 5. is more of an open, 'nobody knows where you'll go' kind of sentence, 6. is quite alike to 5. If you have to pick one for fluency, I think that 5 flows the best.