A work that has “coherence” presents ideas that are logically arranged to help the reader better understand the text.
Coherence in a text is essential to provide the reader a smooth reading experience. A text is coherent when certain characteristics are met: topics are related and follow a logical order, vocabulary is easy to read and straightforward, grammar structures add cohesion and clarity, literary resources are correctly used (example: parallelism).
“in overcoming”
He repeats this to get his point across.
The answer that sounds the best to me is D sorry if I’m wrong