The one that would not be considered external conflict would be D
Motif- a recurring theme, structure, contrast, or literary device in literature.
Normative- Relating to a standard of behavior or social expectation.
Oxymoron- A combination of words that contradict eachother for effect, as in loud silence.
Hope this helped :) Good luck
I would say A, the elephant lumbered slowly to its water trough because its describing it's motion of how the elephant is moving