I'd say it's most likely answer choice: D. fond remembrance.
Oral communication is communicating by speech.
I was interested in what was going going on outside the window.
I would say that the sentence which is an example of indirect characterization is the following one:
<span>"Tom's wife was a tall termagant, fierce of temper, loud of tongue, and strong of arm."
</span>The reason why I chose this sentence is because of the word <em>termagant, </em>meaning a violent, overbearing, turbulent, brawling, quarrelsome woman.