Number 1 is the main idea. It covers what the rest are giving examples of. It is not one specific example but rather an idea.
I think its either because they realize that the person they dismissed is actually beautiful or <span>because they wish they were as intelligent as the speaker. But I think any of those would work nicely.</span>
Charles should use C. Panning shot if he wants to get a 360-degree view of the Yellowstone National Park.
B. run-on
It is thoughts that just keep going without ending the sentence and joined together with the conjunction and.