It's not parallelism. The idea is not repeated in a slightly different way.
It's not a simile or metaphor. Compared to what? The sentence is a fragment.
That only leaves A but it's not a good answer. The sentence is incomplete.
Did you leave something out?
If you had
He who gives to himself entirely to his fellow man, gives entirely to himself.
That would be parallel.
He should ensure that the information is coming from a publishable article that is essential in the science/medical field and make sure to cite his references correctly
Answer:
There are no tiles to drag my friend
Fossils of tropical plants are found in Antartica
Watching the scene performed was a completely different experience from reading it. The performance emphasizes the body language and facial expressions of the actors as a means of conveying meaning. These elements are missing from the text of the scene and must be imagined by the reader.