Answer: Twain’s use of idioms
Explanation:
Hi. First, you have used the wrong spelling of, "which". A witch is a character ;)
Okay, back to your question. One example of a flashback in the story, "Borders" is when the mom talks about driving to Salt Lake City to visit her daughter.
If you read the story, you might find some other examples. Hope this helps.
Take care,
Diana
Without a subject and a verb
participle that's the answer
A
While they were planning the move, Maria sat on the side, thinking about how it had all begun.
B
After such a great vacation, she didn't want to go home.
C
When he looked at his watch, he realized he would be late.