Answer:
I think it is b. The speaker is not convicted about this unconventional manner of speaking, and he sees no reason to continue with speaking this way.
Explanation:
hope this helped :)
A shift in thought can be indicated by what is called an em dash. An em dash is used to set of an interruption that is closely relevant to
the sentence but is not grammatically part of it. These set of
interruptions can be found in a list, illustration, restatement, shift
in thought or tone, summary, or dramatic point.
Hope this helps, if you need anymore help or further explanation just let me know!! :)
The images and captions helps the readers or audience to understand the main idea because it provides a visual content that could support the idea that is being showed or shared to them and the captions could help in distinguishing the images or is set as a support to the images that is being shown to the readers or the audiences.
